Bahamut - the day I stack the dishes in a cardboard box and remove the cupboard doors so I can put a 5g in there is the day I know I qualify for a reality tv show about betta hoarding. For now, it's carefully controlled to one room - mine. Carefully controlled fishy chaos.
Littlebittyfish - power strips, power strips, and more power strips.
Pinkbetta - if the betta is relatively healthy other than fin issues, I usually quarantine for a week. If they show signs of infection (like parasites in the cup at the store), then obviously they get QT for a lot longer than that. And I've heard you can keep them in AQ salt for up to 10 days.
fishman - you have room for a Great Dane but not enough room for a little ol' 5g tank and a 2" betta??? Hahaha, soon, my friend, soon you'll be one of us without self-control.
I'm glad Quicksilver was just stress-striped and not scratched. He'll probably enjoy some cory friends. Or he'll beat the spots right off of them, hard to say. That's what I'm afraid of with Anderson in my 10g but I won't know till I try.