Putting FIAT money in SBD might not be the worst idea thanks to the peg. Your goal is to just park it there until the market recovers and then sell it off again, right? In that case I would closely watch how the SBD price reacts when other coins go up again. If the SBD lingers at the peg then I would sell it because that could indicated a faded interest for SBD. If the price follows Steem closely then you could probably even leave it there until you put it in whatever coin you want to invest in.
But generally I would look into Steem Power and how much return of investment that actually gives you. It is massivly versatile and the low price now a great opportunity.