Invoicing Errors Summary & Checklist

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Vienna Castellaw

Founder & CEO

Founder and CEO of CA$H IN USA - Since 1990 we've been helping Small Business across the US get paid faster and reduce bad debt losses with our simple but effective AR Management System.

Gordon Gooch

3 months ago

Vienna / Cash in USA was extremely helpful and professional. She walked us through everything. The end result was a very favorable settlement. We appreciate everything she did and would recommend Cash in USA to anyone in need of their services.

Natalie Gaugh

3 months ago

Our company was looking for help collecting a number of large, long-standing debts. Vienna prepared us an excellent quote. She was very responsive, professional, and pleasant. It was nice to know that Cash in USA gives their clients personal care and attention. If you need debt collection services, consider Cash in USA. Thanks, Vienna!

James Jackson

7 months ago

Vienna was absolutely fantastic. She helped us track down an invoice that was 8 months overdue. I would highly recommend her.

Mylxs

7 months ago

Answers the phone! Good stuff

Hunter Garrod

10 months ago

Superior service from Vienna & her team. Provided efficient communication and couldn't recommend more if you're in the need for debt recovery services. 10/10.

Gary Maxey

2 years ago

Vienna, you have earned a 5 Star Review for Perseverance and Diligence! This collection calculates to 1 year, 8 months, 16 days excluding the end date. Congratulations to us both but especially to you, for your diligence and perseverance. Thank you for all of the hard work; you made it happen! Gary Maxey Bio-One of Savannah

Tony Rebis

2 years ago

Vienna is a ROCK STAR I own a business in the restoration industry. We consistently have problems getting paid in a timely fashion. I cannot recommend Cash in USA enough. We recently had $86k owed to us by a hotel. We couldn't figure out how to get paid. 7 months after the job was complete we hired Cash in USA and had the money in about a week!

D F

2 years ago

⭐⭐⭐⭐⭐ I had a fantastic experience with Cash in USA LLC! Their team was incredibly professional and helpful throughout the entire process. They provided quick and efficient service, and I was impressed by their attention to detail. I highly recommend Cash in USA LLC for anyone in need of their services. Thank you for your excellent work!

Lauryn Martin

3 years ago

Would definitely use Cash in USA again. Had a customer owe us over $3k for over 8 months. Cash in USA was able to get our money collected in a little over a month. Highly recommend.

Anastasiia Lytvyn

3 years ago

Vienna has been exceptionally helpful, providing invaluable guidance throughout the collection process. Her prompt responses and insightful advice have greatly contributed to our satisfaction with the service provided by Cash in USA. We have recently submitted three cases and are eagerly awaiting the results. In these initial stages, I am pleased with the level of service and attention to detail demonstrated by Cash in USA.

Eli McCormick

3 years ago

Great place! Sent my cousin in and huge was taken care of.

Terry Haufler

5 years ago

Cash In USA took a load off my shoulder that I dreaded. She is very skilled and productive in collecting delinquent payments. She uses tactics I hadn't thought of or wasn't aware of. Her communication with me is great. I strongly recommend her for small businesses.

Neal Mcleod

5 years ago

Excellent service. Always available, always collects. Been with this company for years and don't see myself changing anytime soon.

John Axume

5 years ago

Cash In USA was the answer I needed. I run a small business that deals in music retail and one of the services we provide is instrument rentals. This past year, we had 3 delinquent accounts from clients who were ignoring our calls to receive payment. I turned to Cash In USA and their team were able to help us secure payments from all the accounts in question. On top of that, it did not cost me an arm and a leg. The service is reasonably priced, the team is responsive to questions I had and they did their job without having to rely on me to provide any information other than placing the initial claim. Job well done! I would highly recommend them.

Stephen Keaveney

5 years ago

We partnered with Vienna to assist with cash collections at our software business and she is very focussed and results oriented. Vienna was able to get up to speed on our tracking software very quickly and made an immediate impact on our outstanding collections. She is super responsive and I would highly recommend her.

Resource Forms

Free Final Demand Letter
Invoicing Errors Summary & Checklist
Top Ten Tips, Tricks and Techniques for Getting Paid Faster Without Losing Customers
12-Step Accounts Receivable Collection System

Sally Morrison, Mindspring Education Center

Dear Vienna,

I appreciate your help immensely, and you successfully helped us collect an outstanding debt.

Steven, Lief Organics, Valencia, CA

This is Steven, just wanted to let you know, Lief Organics got the check in full payment, impressive to say the least! I will be talking about your company at my Board of Advisors meeting this coming Tuesday!

I just want to thank you and your team again for making me look like a hero to my company!

Blog Archives

2026

How to Collect Unpaid Invoices: A Practical Guide
The Truth About Collections

2025

B2B Late Payment Crisis 2025
How to Avoid Bad Debt in Business?
Debt Collection Myths: Do You Know Fact from Fiction?
When to Send Someone to Collections
How Do You Send Someone to Collections?
Navigating Sudden and Rapid Business Growth: A Guide for Business Owners
How Smart Businesses Use UCC Filings

2024

The Complete Guide to Business Debt Collection
Making Your Home Office a Productivity Palace
Streamline Your Business Spending With These Tips To Boost The Bottom Line
Credit Applications & Your Business
Innovative Management: Essential Digital Solutions for Modern Property Owners
Credit Collection Policy & Preventing Bad Debt
How to Make Top-Notch Financial Projections for Your Small Business
Collecting Accounts Receivable, A Practical Guide
Business to Business Collections
Landlord Debt Collection Made Easy: Recover Unpaid Rent

2023

Bad Debt Collection Terms
How to Send an Overdue Bill to Collections
Best Practices for Managing Accounts Receivable

2022

Bookkeeping Terms for Beginners
4 Common Financial Mistakes for Small Business Owners to Avoid
Your Aging Report – A Beginner’s Guide
2 Fast Ways to Improve Accounts Receivable Collections

2021

6 Tips for Successful Debt Collection During the Pandemic
10 Reasons to Use Professional Debt Collectors
When To Use a Debt Collection Agency

2020

Getting Paid On Time & Pavlov
Small Debt Collection Agency and Small Debt Collections
Debt Collection From a Defunct Business
Accounts Receivable Invoicing Errors
Bad Debt Prevention Learn How
Accounts Receivable – Build Your System
What is Accounts Receivable Management?
The FDCPA and Your Collection Letters
Accounts Receivable Collection Letters

2019

Small Claims in California – Do You Have a Case?
What is Accounts Receivable? Definition
How to Write a Collection Letter
On Red Flags and Warning Signs
Discounts & Late Fees

2018

Mastering Accounts Receivable Collections
Resources for Small Business E-Newsletters
The Power & Importance of Focus
Credit Reporting & The FDCPA – What You Need To Know
Contingency Collections – No Collection No Fee?
Are You a Workaholic? And Why it Matters.

2017

Personal Guarantees – How, When and Why?

2016

What’s Your Success Rate?

2015

7 Ways to Guarantee Collections FAILURE!

Chuck

Best money I have ever spent. Tell Phil I said good luck with his Los Angeles Dodgers. I think they may win it all.

Thanks,
Chuck

Christina Montague, Montague Law PLLC, Lexington KY

Although we failed to collect any of the old debts, we learned a lot about what to do in the future and how to be more proactive with prospective
clients. An actual person answered the phone. Ms. Castellaw is very responsive and extremely communicative. She has made a painful chore of collection into a doable task. Thank you.

Teri Maco, Maco & Assoc, Summit, New Jersey

Hi Sharon
Joe Sergi just paid! Again, you guys managed to get the money for us!
It is unbelievable what you can do!
Thank you
Teri

Mona, Napa, CA

Great job, Vienna! Now, let’s hope that they actually follow through with their vow to begin paying us back in installments…. I’ll keep you posted, of course.

Steven Janz, Technospeak, Inglewood, CA

Fast service, reasonable pricing ….. from clients with unpaid debts.

Kristina L. Burke – Appraisal Solutions Inc., Long Beach, CA

I have been in the real estate appraisal business for over 12 years in California, unfortunately some of our accounts do not get paid as promised. I used your collection letter service for the first time last month and it worked! Sharon in your office was professional and best of all, successful, collecting on my past due accounts. I am extremely happy to have an outlet for my debt collection so I can go about the business of appraisal without worrying if I will be paid. I can now have peace of mind that in the unfortunate event an account goes unpaid; I have your company as a valuable resource. Your team is first rate. Thank you.

Phil Moinester

I want to take this opportunity to thank you for your help with our receivables. I am glad my partner talked me into using your service. I wasn’t fully aware how poorly we had been managing our collections. The difference in our cash flow has been truly amazing. I would not have believed this was possible six months ago. Having the additional money has made a big difference to our company. Your management of our receivables has also freed up valuable time for projects that I had been unable to get to before.

Jeff Lenning – Click Consulting, Irvine, CA

I’ve been working with Vienna at Cash In USA for the past 10 years, and our firm really depends on them to manage our open invoices. They treat our customers with courtesy and respect, and I’ve not had a single client complaint. I view them as a member of my team, and couldn’t imagine ever going back to using our internal staff for this task. Thanks for all that you do!
http://www.clickconsulting.com/

Zack Rice – UNYQ Designs, San Francisco, CA

Cash In USA and Vienna have been a great asset to our growth and development as a company. The professionalism and experience we’ve encountered is nothing short amazing. They are always there to answer any questions we might have, and their communication throughout our time working together has been great. We have full confidence in the work Vienna is doing for us.

Pat Shields – Tustin Check Cashing, Tustin, CA

It was nice to meet you after having only spoken on the phone. I was as impressed with you as I am with your company. In the 8 years I’ve been doing this, I’ve used maybe – 5 different collection companies and not one has ever recovered anything! —– Anything!! So to say I’m pleased would be a major understatement – Cash In is the best.

Tim Dickson – Shell Point Marina LLC – Ruskin, FL

Vienna,
I am very happy with your work, the letter package we purchased and the consequent results. Of course I would use your company again. Thanks

Kurt Duncan – US Telcom Services, Grandville, MI

We have attempted to outsource our past due payables to other companies in the past and they turned out to be disastrous for our client relationships. Using CashInUSA has been a great decision and they have proven that a professional company can make a difference in collecting slow pay accounts. The results we have seen are phenomenal compared to our in house efforts and it has freed up our staff for other projects. Thank you and keep up the GREAT work!
http://medconnectusa.com/

Erin Warner

I noticed your new blog when I signed in today to look at my reports. Cool, hope you can keep it up. Seemed like a good time to make a pitch for your service, so here goes. “I have been the office manager for an Electrical Contracting company for the last 17 years. I used to have to make collection calls and follow up on past due invoices myself or worse I had to stay on top of our project managers and sometimes even my boss to do it. For the last 10 years Vienna and her company Cash In have handled that for us. They are professional and courteous and get the job done quickly and efficiently. I would highly recommend Cash In for any company – small or large. They get the job done!

J Tasker

Money back in your pocket combined with a wonderful experience!

Placing a call to Cashinusa is an amazing experience because they are truly interested in helping you. It is like calling a friend who is happy to hear from you and ready to go the extra mile and even farther to help you.

I felt so welcomed when I contacted them. They were personable and as interested in my circumstance as I was. They continued all through the process to go way beyond the norm to help me with a very complicated collection issue.

They did all the work and kept me advised along the way. They worked through every detail of my complex , but small, collection issue with amazing attention and extraordinary efforts. They kept me on board with communications so I knew they were really on my team and working for a successful outcome. I was not just another account or customer to them.

Cashinusa will work hard and smart for you, collect a debt owed to you, put money back in your pocket while you get to relax, knowing you are in capable hands and enjoy their exceptional customer care.

They are the best!

Frank Chindamo

A criminal who vandalized my car and my property was convicted and ordered to pay me restitution. At her sentencing, she screamed that she would rather die than pay me a penny. She owed me over $10,000 so I asked Cash In USA to try and retrieve it. I doubted that deadbeat would pay me, but Vienna and her team pledged to do their best.

Well, it’s been 4 years, and I just cashed my last check from what the vandal owed me. Apparently she didn’t die after all. Thanks Vienna, Phil and the whole Cash In USA Team!

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