LiteCoin mining is still viable.
Ether sorta.
BitCoin no.

Rent and bills can be paid using a dual VGA card LiteCoin mine.

Come off coin base (IRS).

Put you coin in a hardware wallet and then back the hardware wallet up.

There is an app called SavR that works like the keep the change savings program from Bank of America that invests your debit card transaction roundups into bitcoin. Works with most wallets.

If you decide to get into a new Coin make sure to buy some and stake some.
Staking basically lets you earn interest on the amount of coins you stake.
Staking helps secure the blockchain and create new blocks which you will be rewarded for in interest.

Keep an eye on Paragon Coin.
The marijuana industry is betting heavily on having their own crypto.