"These paychecks are barely enough for me, alone..."

I have a second job as a...pharmaceutical technician

It is called having a second income. Also called not spending all your money on junk. Lol

I have hospital bills and student loans to pay and an expensive ass apt.
I'm being a Mr. Krabs with my money and I can barely afford myself

selling drugs during the weekend

A lot of people with kids have significant others that also have a income