Depending on where you live. The State Gambling Commission may have rules regarding raffles and what you can and cannot do. Here, we can't offer tickets 6/$5, if ticket price is $1. Depending on your status as a non profit, it may be that only members can sell tickets. Some raffles can be in-house only, meaning sales of tickets to members only. There are so many rules! A google search for your state gambling commission can tell you a lot.