you definitely should. there's a clear market gap. you can also build a community out of current/former clients and offer that support network as added value to clients. there's also a lot of hucksters out there who does this type of thing, and a good developer type would sniff them out quickly. stay genuine and real, and avoid the "You can build a life of FREEDOM and WEALTH from HOME !!" mumbo jumbo and you will do well.
It's also more scalable than churning out billable hours.
It's also more scalable than churning out billable hours.