Use your D3s to mine Dash.
Atm Dash's price is increasing and it'll profitable mining long term.
Dash crashed pretty hard though after it rose, do you really thing it'll continue to rise?
Are you currently mining with D3s?
Well, there is no guarantees only speculation as for its always been with the crypto market.
Just mine and HODL and hope for the best.
No, I don't have an ASIC, just GPU rigs.