free promotions for dropshipping stores!!!!!!

Hello everybody,i have a shopify store already and i made a another new one,for the one i have already in that i am running fb ads and its pain in my ass.
Now i was thinking of making an another one new store and most of stuff are set,now the important work which is promotion and getting sales.
Does anybody knows how to get sales as well as traffic for free to our store?
any awesome tips that works,free promotions?

Waiting for awesome ways!!!!!!!!