If you want poker to supplement your income, get a part-time job for now to pay for bills and cut out a lot of excess spending for the next 4-6 months.

Grow your BR, move to 50nl, 100nl if possible and stop cutting your balls by cashing out. You'll thank me in a year. Once you hit 50 or 100nl (whatever you deem is enough) work your way up to a comfortable BR (I mean, seriously comfortable, like 75 BIs at least), pad your bank account so you have 3-6 months of bills ready to be paid for, and start the grind-a-thon.