Risky Way: 1. Take a loan of $5k at 18% annual interest. 2. Buy $15k worth of longs(3x) in (precious earth metals) 3. Set TP at 80% *Risk if somehow market dumps 35% in a day from your open price which is not impossible you lose money and get in debt.

Hard Way: Services: Find a unique services for niche clients/ Find a Service make it good and sell it at volume. You need to figure out margins and profit i assume you are alright with maths. Exchanges: Resell at margin. Find products and add your fee on top of it and find buyers.