One idea may be to bundle or "set up their systems" for free - accounting, CRM, credit cards, website, SEM, etc. This would save them probably a few hundred

One idea may be to bundle or "set up their systems" for free - accounting, CRM, credit cards, website, SEM, etc. This would save them probably a few hundred hours of research and configuration. Charge them a nominal monthly fee to manage it all. Then, when you get known for doing this and have lots of clients, charge the SaaS companies an affiliate marketing fee to be included in your bundle.