Maybe there is a model for a version 2 of self published works? Self publish first, if it gets a following, do the copy-editing/polishing/revising for a differ

Maybe there is a model for a version 2 of self published works? Self publish first, if it gets a following, do the copy-editing/polishing/revising for a different "cut" of the same book. Maybe even throw an extra chapter in to give the dedicated fans a reason to buy the new one.