What happens when a customer cannot pay? October 08, 2019 17:42 If a customer cannot pay an invoice, Thunder Funding will work with you on an individual basis to come up with the most beneficial way to recover the funds. Contact Thunder Funding for more details. Related articles How to find straight box truck loads? What is Rate Check? If I don’t use my account, will it automatically end? How does factoring differ from bank funding? I am a paying member, why am I reaching the daily limit?