What is something really helpful to you.

[STRMfrmXMN]

[legend8887]

Power bank, extended batteries. Extremely useful.

[-TesseracT-]

Ear protection

[KE2012]

A really good desk lamp. Or if I was to spend a quid of two more a magnifier desk lamp 

something like this ->http://www.amazon.co.uk/HQ-Magnifying-Desk-Lamp-Black/dp/B003JT4AE6/ref=sr_1_fkmr0_1?ie=UTF8&qid=1419377857&sr=8-1-fkmr0&keywords=magnifier+desk+lamp+florcent

[KemoKa]

EMS. Because sending my christmas presents by airmail would have been over $50 otherwise.

eneloops

[bob345]

Those really small bright led flashlights you usually see at the checkout counter at a hardware store are pretty useful.

[Jimbillroo Digital]

This forum.

[Diederik_Gr]

Probably my set of screw drivers, from which only one seems to fit all screws used in PC's these days.

[McMurderMonkey]

Cable management?

Pretty picture.

[Nup]

a tiny screwdriver set is fantastic, oh and a cutter/Stanley blade type thing can come in very hand too  

[juretrn]

A multimeter. The most useful thing ever. 

[ThatAngryGnome]

Soundmagic E10 are pretty good earbuds. 

[MLG Doge]

Sleep

[simson0606]

my zalman ve-300, an external hdd case with virtual odd, SUPER NICE! though i don't know if you can get it under $25, it is for sure under 35

[Satge]

Multi-bit magnetic screwdriver, pocketknife with other things attached, and a pen.

My Swiss pocketknife (swissgerman = Sackmesser) is one of my most useful tools as well

[NitrosNachos]

This will really make me happy, my case is around 2 metres away from me

 

[Jarsky]

A bunch of 8GB thumb drives.

 

I have various Windows installs on them, recovery keys, and linux recovery install with GParted, etc....