Easier said than done if you want to pay with anything else than cash. Or if you want at least a somewhat functioning website where you can see if the venue is actually available and do booking.
I know it is hard, but I have done it and I am a Revenue Manager in hospitality and a tours company. You have to be strong, it is a long process where you get repeat customers and friends of customers. A small loyalty program, best protection if your customers deals directly. one on one relationship but it works.
Easier said than done if you want to pay with anything else than cash. Or if you want at least a somewhat functioning website where you can see if the venue is actually available and do booking.