Some beginner modders who might not know what to use or what you need this is a list explaining why you need may need curtain items to keep your throw in top shape or to mod it greatly!
First you should be able to find these items at a home depot or lowes maybe even aces.
Pliers. To get bearings out of your yoyo
Flowable silicone to make new responce pads.
Mineral spirits paint thinner or lighter fluid to clean bearings be careful these items can be flammable and can harm your PLASTIC yoyo.
Lube thin lube for unresponsive thick for responsive yoyos you put lube on yoyos to keep them quite and working good.
String you need to replace your yoyo string often.
With this stuff you will be able to keep your throw in top shape please post if I missed anything.