Also, the owners may not respond to a regular letter, but they might respond to a well crafted attorney style mail or Urgent Notice regarding "xxxxxxx san, antonio Tx)

We run similar style groups. 

the areas I buy only has 10 or 15 different style houses.

It's not my style, because I'm a designer and very picky, but it works for lots of others.  

Most of the houses on the same street are dated,  with bigger square footage and different house style.

Condo fees are really high, apartment rentals are high compared to Montreal and there isn't a lot of duplex/triplex styles for sale.  

When I look at a property that old I will pull all properties built up to about 1970 and then separate them by style and features.

It might not be your style, but he was submitting low balls like crazy for me which helped a ton.

I truly believe in the Warren Buffet style thinking where you make your money when you buy the property.

Hi Ramon,The hardware would be a specific question depending on what you have and what you are replacing with.As for which to replace, I would think they should all be the same style or all mismatched.