Rulers---as they break or wear the numbers off
Cutting Mats---just bought 2 about 20 yrs apart. still have the old one
Rotary cutters-----still using the original, but someone here just sent me a new one, so about 35 yrs.
Rotary blades-----i'm not one to throw them out so easily, usually after they skip quite a bit
Pins---- I buy new ones as i loose or they get dull. about one pack every 10-15 yrs.
Needles------buy these more often, about a pack a year, because i loose them
Chairs----got one 15 yrs ago, and will last me till the day i die.
Sewing Machines----about every 10 yrs, the plastic gears just done't seem to last that long.
Scissors-----one pr. about every 6-10 yrs, or after someone cuts cardboard with them
Seam Rippers------i have about 3 floating around somewhere.