I will promote your teespring campaign or business to 30+ niche targeted facebook groups
2016 is the year of selling t-shirts. There are many websites offering this services.You may want to play this safe.
I have seen many people fail in fb ads and end up losing a lot of money,
Don't worry I have a cost effective solution,
Again sales or traffic are not guaranteed , even fb ads cant guarantee
you that.But fb groups have passionate audience so it always work for me
might also work for you as well.Don't forget to check gig extras **