IT Mall via Amazon offers this Extendable Selfie Stick for $3.92 with free shipping. That's a slight drop under our mention from April of a similar stick and the lowest total price we've seen for such a contraption. (Outside of the mention below, and other Amazon and eBay sellers, it's also a current low by $3.) It extends to 38" and accommodates phones up to 3" wide.

A close price: Mxqtech via eBay charges $4.39 with free shipping.