This is a good landing page to use that converts really well. http://my300dietblog.com/ Hit it with some media buy traffic and connect it to a re-bill muscle offer and you'll print gold
exact match domain! they usually rank better on google for the exact match keyword. so pets.com would be an EMD if you are targeting the keyword "pets"
no we make sure that the domain has an age and not dropped, plus if it has a wayback archive means there used to be a site which had some PR
it is better to have some archive there, else high chances of PR drop
Is it all unique content? Hmmm... Is the site professional enough in Google eyes? You have to apply from a completely different IP.. and not on your computer since they have cookies...