I run my community in a similar way. If you can continue to create meaningful content, a paid newsletter approach is the fastest way to go, and if you feel that

I run my community in a similar way. If you can continue to create meaningful content, a paid newsletter approach is the fastest way to go, and if you feel that participants are getting something out of joining the group, you can design a simple BM by requiring them to sign up for a membership, such as a flat monthly fee. Later, you can create a community site or feature product.