Share 'Keeping slime molds?'

I'm still seeing if I wanna just wait till I can find it in the woods or just order it online. Couldn't seem to find much info on this but, if you have slime mold how do you keep it going ? I'm nervous to spend the 50 bucks for it just to shrivel up and die. What containers work best for the long term?(like a terrarium a Mason jar etc) What to do if it does go dormant? Joined this group hoping I…