According to Aol Real Estate:
Start by removing dead plants, or trimming unhealthy plants that may bloom later on in the season, add splashes of color with easy-care perennials in a front garden bed, or place potted annuals on the porch.
Boxy, bench-style furniture is a great option for cutting your teeth on carpentry. It’s fairly easy to build, and there are plenty of tutorials online. This easy, versatile seating can instantly update a front porch or back deck, and give you a more personable outdoor space.
The easiest of these projects is probably interior painting, and it can make a huge difference. The right paint can make a space look larger and more finished.