Storage solutions?

When you live in a shoe with so many kids you don't know what to do,things can get a little cramped! So off I went to a free organizing seminar. We got some coupons and a handout with tips first of all,then we watched a slide show with more tips and some before and after photos. I didn't feel like I had learned very much since I noticed that I was already implementing her advice. At the end there was a draw and lo and behold I was the winner of this. I decided to talk to her personally and she said I could either get another shed,rent storage ($100 a month..so not happening) or build an addition. So I'm no further ahead except for my lovely parting gift masha Allah.