There isn't a set number of houses you should see before you decide. Visit as many as it takes to find the one you want. On average, homebuyers see 15 houses before choosing one. Just be sure to communicate often with your real estate agent about everything you're looking for. It will help avoid wasting your time.
Saw blades should be stored separately. Keep each blade secured between two pieces of plywood, fastened together by a nut and screw that goes right through the center of the blade. Blades that are chipped, bent or in any way damaged are discarded at once.