why not use your 5k to gambling site as site bankroll you can earn alot of profit and you have a large bankroll or buy bitcoin miner if you have a cheap electricity which will gonna be a good investment or you will gonna use your money to trading which you need a skill of
this is a good idea if the OP is understand how to playing gambling with good otherwise he only get loss in a second and we don't want to see the OP is loss in 5k. i think maybe the good choice is trading but he need to learn more about trading to make a good profit like pro traders. 5k is really big money to invest and we should be careful to make invest, better to read some good info before we make invest.