I used to buy a ton of tools from Costco, the tools used to be awesome. These days it is just full of cheap Chinese junk that is branded with big names and the prices are not that good. Well recently I checked out the tool aisle and found that they have a version of the Franklin Pro Sensor 710 that we love so much.
This is probably the best simple stud finder that we have ever used. The Costco unit is blue and is called the Precision Sensors Profinder 5000. It is $34.99 which makes it a bargain. If you are looking for a reliable stud finder this is the one to get. If you don't have a Costco membership you can get a Pro Sensor 710 from Amazon for $10 more.