Buy and sell cheap computer accessories online on Kaymu.
Replace laptop battery chargers with new ones on Kaymu. Sell laptop batteries, screen panels and motherboards for PCs.
Buy used PC keyboards, mouses and durable Bluegate UPSs against unexpected power outages. Buy unlocked HSDPA modems. Get affordable webcams for Skype on Kaymu, as well as fingerprint readers for JAMB registration centers and good value projector screens for important presentations.