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 What are Thunder Funding’s basic requirements? How do I start factoring loads on 123Loadboard.com? Who factors 123Loadboard’s posted loads? How much does the add-on Rate Check cost?