Need to sell limited amount of tickets, but allow users to buy more than one at a time.

Is there a way to sell for example 100 VIP Tickets and people can purchase say, 5 at a time, and once 100 have been purchased it will say none available?

I believe the Inventory widget suggested by grade4pagasa is what you are looking for. Here is how to add a widget to your form: https://www.jotform.com/help/252-How-to-Add-a-Widget-to-your-Form

Let us know if you need more help, we will be glad to assist you.