What's is a wallet?
A wallet is an electronic address of your crypto-currencies repository. You must make a regular backup of that wallet. Otherwise, you might loose your your crypto-coins
Which wallet is suitable for you?
Is best to choose a business that is registered in your country and have actual business physical locations that can be verified. You must have a wallet for each currency.
What are Mining Pools?
Bitcoin mining pools are places that crypto-currencies miners pool their resources and combined their hashing power while sharing the reward equally according to the amount of hash they contributed to solving a block.
Antpool seem to be the largest pool in terms of has power and it is based in China. The Farm is operated by the world largest bitcoin hardware company.
Most mining farms are for free while some not.
Crypto-Currencies faucets is a reward system that ties to a website or a mobil app that offer satoshi as a form of crypto-currencies.
In some instance you can earn more crypto-currencies than other ways of acquiring when compare cost and reward. Crypto-Currencies faucets are for free.