Make money?

Im 13 and need to make money. I want to make at least 300$ until my b-day which is April 1st. My mom or dad don't wanna lend me notin cuz they gave me mad money already. i've made like 3700$ sellin old jordans and nikes to friends (alot of sneaks and alot friends) Now i only got like 18 pairs of jordans and 24 pairs of nikes and i aint selin no mo. I need some more money to buy another t.v for my room. its 3990$ so i need just 300$ mo bukz