My question involves independent contractors in the state of: ohio

i make 25 hour.. i pay a helper 12... 10 hours on weekends.
I get all money paid to me no taxes taken out.

money sent to my gf's venmo currenlty past few weeks

what do i need to do?

keep track of all my gas / expenses.

will i have to pay taxes on this?

is the company paying me reporting this? etc