i have 10 dollar into penny coins is that enough?
is 20 dollar enough into low price coins?
It depends on how much risky investment you like to do. And also if that " Penny coins " are good. In between 2000+ coins hardly 30-40 coins are having potential to grow as a technology. rest all are way to scam users.
how about a coin with a return of 3 coins. or should I add money to get more coins? what should be a good limit? im planning to hold for a few years. whats a reasonable return for 10$? or 20$? in a year or 2?
If coin is having potential like ETH/XRP/BTX/BTG then possible you can get more then 200-300% in an year.
I earn good profit with BTX and ETH and also some how with XRP bcoz i bought then when they were very low.