Dear Jerry: My current 80-gallon electric ... small Jacuzzi jetted tub. We prefer showering, so the tub is rarely used. Should I think resale and get the 80, or would a 50 do just fine?

If your water heater has a 40-gallon tank and you have a 50-gallon tub, your hot water might run out before you’re done filling the tub. If that’s the case, you might need to purchase a larger ...