Propane Level Indicator

PNWtabber said:

I am looking on Costco website today (6/09/2022), they have a propane tank with a gauge, but they describe it as a 5 pound tank.  Doesn't provide dimensions.  That isn't the right size, is it?
https://www.costco.com/5-lbs.-steel-propane-cylinder-with-opd-valve-&-built-in-gauge.product.100734956.html

In the spring many Costco stores have the 20# tank with the built-in float gauge. But it might be too late to get your hands on one this season. IMO the float gauge is the most reliable and accurate. But it's not a good option for people who use tank swaps to get propane.