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 is load factoring beneficial to my company? Why did I get charged after my free trial? What is a Transportation Practitioner and why should I hire one? What are Thunder Funding’s factoring size restrictions?