Yes, you needed to add promotions if you want to get some attention from the community, with how fast you act with opinions that has been provided here, it's good to know that you lowered the ticket price so small time risk takers/ gamblers can also participate with you lottery,.
Looks like we're on the same page suggesting to op adding promotions to the site will surely get the attention of gamblers to their site whether he/she is a small gambler or not but still gamblers can benefit from the promotion and the site's traffic would also increased so, it's a win-win situation.