You seem like a smart dude who doesn't post shitty content. May be a good idea to quit sending memos, as most see them as spam.
You may want to involve in some discord communities, you may get more exposure that way.
As for the bot crash, why don t you use a process controll app? Just restart the thing , haha.
I've used pm2 in the past, and i just love it .Mostly used for node js, but if you specify an interpreter , python works too, i quess .
RE: How does TrendChecker work? | Steem-Python Bot Tutorial Part 1