Home Depot: Water heater unit and installation: $643 total
The regular price is $661 in my area (Indianapolis) so it is on a small sale. In addition, I should get 5% back on my Chase card through June 30th.
A 50 gallon is a little more. Extending the warranty to 9 or 12 years is quite a bit more.
Plumbers are significantly higher (over $1000 total) for a similar model and warranty water heater installed.
Lowe's also does water heater sales and installation, but their Whirlpool brand has gotten awful reviews.
I did not see any other water heater threads and since the savings using Home Depot over a local plumber is huge, I thought this might help people out.
You can call 1-800-HOMEDEPOT to order. Going into the store was pretty worthless.
In the last three yrs we have replaced the WH, our whole house furnace, and our Central air. Do to extreme budget constraints we did them all ourselves.
We saved about 6-7 GRAND from the lowest estimates and we got 3 or more for each job.
The only thing we had anyone do is the sealing and charging of the copper coolant pipe.
We discovered Goodman (for example) is the maker of high end AC units that are re badged with very recognizable names. And we could buy one for WAY less delivered. Some companies have FREE telephone tech support to walk you through the hookup.
It seemed a bit scarey at first but went off w/o a hitch every time.
Here is one place we used twice