A backyard shed changes how you use your home by finally giving you a place for the lawnmower, bikes, and holiday bins. It takes a weekend or two to assemble a kit, but the real trick is waiting until late October when retailers drop prices to clear out inventory before the snow flies.
Before you commit, get at least three quotes from local handymen or contractors for the site prep and build. Even if you plan to do the work yourself, you need a firm number for a level base and gravel, which are the hidden costs that actually dictate how long your shed lasts.
That 18-month window is a deadline, not a gift. If you still have a balance when the period ends, you will start paying interest on whatever remains, which gets expensive quickly.