Board Thread:General Discussion/@comment-34478085-20180709155030/@comment-35188846-20180728040638

Dev, I wouldn't worry about sending back complete collections if someone sends one to you. I know I often send collections to my friends, but I don't expect to get one back. It makes me happy if I have a collection that gives something a friend has asked for, most often a specific pass or energy. It's something I have multiples of or don't need for myself, so it's great to pass it on to someone who does need it. As long as you're sending the thank you and also sending gifts, most people will be happy. What you send doesn't have to be CIs either; passes and fixers are easy to send if you don't have a CI from their WL and let people know that you're giving as well as receiving.

I personally try to keep my WL full, usually with 4 CIs and 1 free fixer, more to give my friends something to send if they have it. I do change them frequently to reflect what I'm looking for at that moment, and I don't worry about getting extras. If I get 10 of something, I use a few and pass the rest on to friends who want that item.