enjoy how there's perspective given from the responders with their current MRR as well. as a founder of a bootstrapped tech-enabled service startup with $135k+ MRR is cash flow. Accounts Receivable is a PITA and it still hasn't been solved (even with the likes of bill.com, harvest, stripe, paypal, qbo, etc...) - i'd almost pay for a company to outsource our AR to completely to represent us on initial AR, 30-90 day AR, collections, demand letters, and ultimately lawsuits if needed. bleh.