Some of the best advice I ever heard was from @silviamg.bsky.social who said that you shouldn't set goals that require other people to do what you want. You can write a book. That's a goal. You can't control whether anyone buys it. Other people have free will.

Time. Although there exist many satisfying one-shots, especially in purpose-built games, many folks aren't aware of them. Hobby newbies seem to often have the misconception that long-form D&D campaigns are all there is.