As one of its daily deals, Best Buy offers the SanDisk 8GB Cruzer Switch USB Drive 2.0 Flash Drive, model no. SDCZ52-008G-A11, for $4.99 with free shipping ($0.62/GB). That's a buck under our July mention and the best price we've seen. (It's also a current price low by $3.) Deal ends today.
Before you send in your tax return, double-check that you haven't made one of these mistakes that can trigger IRS scrutiny.