How can I limit the number of tickets sold?

We have 50 tickets we want to sell online.  However, I want to make sure that we don't go over that limit.  People can order multiple tickets. Is there a way to limit the number of total tickets sold without manually keeping track of them?

You can achieve that with the Inventory widget. To link the widget with the payment field, please check the following guide:

How to Setup a Payment Order Form with Limited Stocks