Have you spent more money on the accessories or gadgets for your bike which ride with you, and which are not absolutely necessary, than what you paid to buy the bike itself?
Locks, locking skewers, lights, reflective devices, mirrors, bells, horns, rear/front racks, baskets, frame pumps, helmets, bottle cages, saddle bags, mini tools,...
The following do not count:
Replacement of parts that are basic/necessary for a bike (e.g. if you replaced the brakes or seat),
Accessories/tools that don't ride with you, e.g. floor pumps, tools that are not carried with you...
The purpose is to see how much money one is willing (as opposed to has to) to spend on the bike gadgets that you could ride without.