You don't have to take on an expensive renovation to add value to your home. Here are four simple projects you can tackle in a weekend to spruce up your home and make it more attractive to future buyers. Update your switch plates. Are your outlet covers and light switch plates getting dingy from age? Swap out these covers and plates with modern ones for an inexpensive upgrade. Choose new hardware. Refresh your doors and cabinets by switching out the hardware. Replacing doorkn