Multiply your store bought sweet potatoes - place 1 sweet potatoes in a bucket of moist soil. As slips (shouts) appear, pull out place them six at a time into 20 gallon buckets. Wait 4 months, dump bucket, get 3 to 4 gallons of organic homegrown sweet potatoes per bucket.
Plant a Mini Orchard of Peaches - 30 Small Space Gardening Tips for Apartment Dwellers and Urbanites on HGTV
Contact paper cutouts create a "frosted" glass pattern on a door -- could use this on the shower door perhaps?