Home improvement and remodeling is a $230 billion business because homeowners know the real value and potential return on investment of some improvements. In just the past year alone, construction contracts increased from $217 million to $326 million. The difference between home maintenance project versus costly or free home improvements that add curb appeal are very important. Some improvements are absolutely necessary and other improvements simply come down to taste or preference. Knowing which home improvement yields the best return on investment and knowing how to do home repairs is key. To get the biggest bang for your home improvement…