You have paid retail for the last time.
The human race, to which so many of my readers belong, has been playing at children's games from the beginning, and will probably do it till the end, which is a nuisance for the few people who grow up. - GKC
Re: Unlike game business models
You could employ patreon to create PnP games and make them available to the public. However despite the number of us that are active on BGG, that does not translate into a large potential subscriber base for our hobby.