https://www.servicechampions.net/blog/pros-cons-on-demand-tankless-water-heaters/
https://tankless.best/blog/the-pros-and-cons-of-a-tankless-water-heater/
Honestly I would just do some research on it Pat
My hot water tank blew last march but the tank was 18 years old much longer than the usual age 8 to 12 year range
This was the type
Then I went with a Richmond heater which was cheaper. Bradford was about $1,200 and that's just 40 gallons without installation