Does this look right?
1) I convert my 1000 BTC to $4,800  and buy BTC with leverage 1:10.
2) I can technically buy $48,000 of BTC... If the price of a BTC rises from $4.80 to $5.00 and I liquidate, I will have a total of $50,000 of USD. I pay back the original $43,200 I borrowed and pocket the $2,000.