Stocks? Bonds? Bitcoins?? Real Estate?
Heres my recommendation first Real state for stable income.
second bitcoin for unstable income but might get a big income in one shot.
third is gold for lognterm investment gold will be your safe haven for your money
if you dont want to use it.
I think gold is less profitable now.
Because in my country now really fall in gold prices and it may take a long time to re-stabilize. even longer to wait for the price rise seems
Gold has been slow in rise these past few years and if you only want to have something that holds value, gold is your best bet. Real estate on the other hand, has been booming in the last years. Income is decent with less risk than bitcoin.