DIY Co-sleeper made from a $69.99 IKEA crib! I actually really like this one and it would last a LOT longer than those teeny tiny ones they make for newborns. Plus it gives the child "their own bed" feel if you're having a rough night.
DIY: punch a hole in the shape of a heart into an old dictionary, choosing certain words to describe the person you want to give it to, and arrange them into a frame for a decoration. Such a precious idea.