I'm thinking about getting a website to collect buyer leads with basic info such as down payment , ect. Does the domain matter that much?
NOT AT ALL. Put it on your emails, letters and business cards.
However, use the SEARCH feature on BP looking for 'website' for some considerations first.
The answer is....it depends.
In a technically correct world, YES. However, I would say it depends on your goals.
You will want to take into account basic keywords for your area or future areas. Example; "sell my house orlando"
So, ideally you would want a domain something like; "sellmyhouseorlando.com"
But...usually those are taken so you will want to find a sensible combination that also is keyword friendly. Example; "sellmyhouseinorlandoquickly.com"