You can use Clipchamp or CapCut, which are online video editors, or even desktop ones to make simple videos. You don’t need a lot of editing skills, or you can just learn from YouTube.
You could've been learning during this time. I’m not sure why you didn’t pick up some new skills. Just Google how to make faceless YouTube videos with AI.
You should stick to the same niche for your videos, or your subscribers might lose interest.
If your channel is still getting views, check which videos are popular. Then, add affiliate links for products or Amazon merch in the video description.
Another option is selling your channel. How much you can sell it for depends on things like the niche, content, how active your channel is, and how many subscribers you have. Since your content is copyrighted, it depends on the buyer too. It wouldn't be worth much if they have to remove the videos that bring in views.