Is it possible to sell $0 revenue SaaS?

Hello, I don't like marketing, and I'm really bad at it, so I try to avoid it as much as possible. I simply just want to build the product and move on to the next one, but obviously this doesn't bring the cash in. Is there a market of people who want to buy these SaaS products that are built out fully, and they just have to market them and call them theirs to sell to; and I'm not talking about $1,000,000 dollar deals, I just mean a market of people who are willing to buy a SaaS from a developer for a few hundred or thousand dollars, and run it themselves?

Any feedback would be useful, thank you!

p.s if you're interested:

https://reviseo.app (dm me for demo)

https://spacemintai.com