It's a good idea to create an online store. It turned out Facebook is a nice site to do that, though I had no idea how to start. Now there are a lot of articles with tips on how to create a facebook store, like this one source. I wish I had something like this at that time.
Very nicely done! I was looking for guest books ideas, found a good article https://www.poptop.uk.com/blog/12-unique-wedding-guest-book-ideas/, really liked the Harry Potter style, but yours is much better!