In need of formula for my son alan

Hey there its been 2 and a half months i havent been abel to find my sons formula or aford it my friend has been buying it and hers as well and i hate her having to do it every week i get wic but im not medically cleared to drive due to epilepsy so i cant go to stores in day time and my closest friend is over an hr away i dont have family here just my husband and 3 kids so by the time he gets off work the shelves are empty im in need of Similac total comfort he can also use Enfamil gentle and gerbergood start sooth pro if anyone can help please let me know