idea is good.. but this topic is pointless..
there is too big income of caps into game, mostly from TC lockers and then from barter while there is no way to use them, spend, there is no caps sink so they are losing value
if you browse forum buy/sell/auction/barter topics, most of players are not even trading with caps because they have no value
and that is really bad, i really hope devs add alot of ways to spend caps so they will be getting removed into game and get some value again, its even hard to trade with players nowdays because there is no fixed currency and usually you are trading amount of items which you cant even carry at once so you have to trust to guy with which you are trading which is also really bad
vehicles, bases, professions, blueprints, books are NOT a real caps sink... they are nothing compared to caps income into game and also they are all ONE TIME PAYS, once you buy enough cars, bases, get all professions, blueprints and books which you need you wont have any way to spend caps.. maybe except private mine which cost like 40k per week per mine which is nothing.. we own all towns for some time now and im bartering every few hours and i get like 1 mil caps per day, there is really no way to spend that
tl:dr caps has no value imo