After staying put during the economic recession, you might be tempted by stabilizing real estate prices and low mortgage interest rates to sell your house and buy your next place. What you may not realize is how long and complicated the process of buying and selling a home has become. New lending regulations, appraisal procedures and consumer expectations can throw up roadblocks for even the most seasoned flipper. Many homeowners who haven’t sold or bought a home in the past few years will find that many of the old “rules” have changed. Residential real estate experts suggest homeowners become aware of the new rules before listing their current property and searching for a new home.