It all depends on you. There are people with 5K that bring home 10k+ (2% ) but there are people with much more that bring 0(50%+).
Try your method and indicators on a demo. It shouldn’t be difficult to find out how much you can get with your 5k. Don’t invest real money until you are sure that...
Almost all the brokers provide free demo accounts and charts.
You can try interbankfx, cmsfx, acm, fxcm . Do a search and you'll find all of them. Try treir platforms and see which ones you like better.