The-one-use boosters are more of a collector's item for me. I have a ton.
The one use boosters can only be used one time. They're too precious to waste!
I use all occasionally except for Cheaper Purchased Weapons for which I have 100+. I don't have any purchasable weapons in my loadout.
Curious, but why? You are at a giant disadvantage by not using these uncharted 3 kickback equivlents.
I'd just rather use a survival skill instead of using the shotgun or assault rifle that eat up loadout points and can only be used to down one opponent at a time. Waste of parts to keep buying ammo for them.
I have around 40 each.
Purchasable weapons I have over 150 because I don't use purchasables as well. Only when it's a bad game and it is going towards last man standing, I use the flamethrower, but that thing is cheap anyway. Or the opposite, if I have tons of supplies left, I change to that Flamethrowser loadout from time to time.
I don't know, but when using purchasables I feel kinda "cheap" - I rather use my Semi or revolver to give them hell, feels much better and "skillful"
Also I think investing those points into other skills is much more worth it.
Kept "collecting" those boosters too, but now I don't see the point anymore. But I only use them when playing against LVL 100+ opponent...
I still have a lot of "Earn more parts" boosters now that I think of it. cause i haven't started going for that skull mask yet.. Too lazy :-)