If you want to earn you need to invest.
Don't feel regretting when you will invest to bitcoin. Just buy some alt coin like monero and it will give you decent return.
Exactly, don't regret if you are going to invest in bitcoin as you will be getting a good return in the end. Buying some decent amount and quantity of alt coin will give you a good return in the future. Just like ETH, look at the price of ETH if you are able to bought it while the price is still at $20. Look on how much you have now.