Assuming I can gather 500$ a week from here and there,how much exactly should I invest.
I'm not that greedy and there is no time constraint.
if you have nothing ideas and knowledge about crypto trading i will suggest with you to learn how to invest in trading, do not put your mind in the fastest way to start trading because have possibility to lose your money, knowledge and skills are need to become great trader, try to search google give it time to learn
for your own good and strart to invest small capital as your training ground.