you could get government assistance. they will give you cash and food stamps and your case worker could help you find a place based off your income and wic would give you formula and other things.
it takes a very strong selfless person to decide this.... if you decide to and you know the situation your in isnt good enough to raise a baby, then props to you, That is what will make you an amazing mom even if you dont have baby, they have open adoption also if you want to stay involved