building an account with a contest / giveaway?

I have someone looking to build their instagram account but it is a more personal lifestyle page and they want to kick start it with doing a giveaway. They are in the music industry and have access to some good stuff but not sure what would build the best engaged followers. The more expensive the item the better return they would want. Right now the thought is a pair of headphones that retail at $150 plus some added stuff like a tshirt and hat maybe the other option would be to go for a…

building an account with a contest / giveaway?