Well, some of these I find here at the 'slide--WRO and others have posted some real gems--but mostly at Stocktwits. Look for the "$" nomenclature with the stock tickets and do your DD. You gotta dig in and try to read through the hype and bears nonsense, too.
Coop is into the candlesticks, volume, etc. I follow very little of that although I probably should. I read about the merit of a stock and proceed either way. I do my daily DD on every stock I own after the market is closed for the night. PRs, SEC filings, BK, R/S news, etc. I find many of these doing my research.
It's crazy how many quality OTCs are out there: Lithium, carbon ion, bitcoin miners, drones, weed... Will they hold long term? Hell, I dunno. But people probably thought the same thing with plastics in the early 40's. I feel like those stocks that I like are worth at least a grand investment to start, some 2-3x's that...and most are really killing it.