Know this: it’s normal. Funders tend to check out fast on IFE, and often skip over where they can enter their address. The best way to get all of your funders addresses, or tee shirt sizes, etc, is to send out a survey when your campaign is over and get their most updated information on sizing and shipping address.
p.s. We like Google Forms, Typeform, or surveymonkey.com. Here is an example of a post-campaign survey!
Check out our Campaign Guide for tips on tools to help you with your funder report and rewards fulfillment!