

I can’t remember the last time I’ve bought a toothbrush. Every time I go to the dentist for a cleaning I’m given a toothbrush for free. I’ve since switched to electric, but still have a whole bunch of toothbrushes from dentists past. I’m slowly going through them using them when I travel.
The Oral B knockoffs can be had for about $1 each or less. They have models that use the same heads for almost 20 years.