Do you have to buy the coins leave it in your wallet for a while for it to add value or do you need to trade it.
Bitcoin is a good ground for you to invest, buying bitcoin and keep it will go along way because of it potential it has to the people, for this period bitcoin is good to buy now because I believe you will never regret buy it. Forget about trading I will suggest you should buy and hold don't stress yourself, just invest in Bitcoin.
Can some one invest $100 to start or do you need more fund than this to start up any crypto investment , I have done so many research about the investment and making out good earnings from bitcoin still not working out for now I will be glad if I can get any ways to get it right .
When you talk about investment it doesn't matter the specific amount to invest, this only depends on the investors on is capacity of what is account is reading at the moment, and also Depends of what he or she thinks he can afford to lose in the amount. For you as a beginner $100 is OK for you. Do it gradually is better than lossing all your money.