If the proceeds go to you for profit, I think this could be considered online gambling.
The reason I think this is because if you change just a few words in the description, you get the definition of a lottery.
Raffle,
Hey I got a hamata worth 100, I am going to sell 20 tickets at 10 bucks each. The winner gets the hamata.
Lottery,
Hey I got a hundred dollar prize, I am going to sell 20 tickets at 10 bucks each. The winner gets the 100 bucks.
But, I am no expert. Just my two cents.