Just updated

1)When I preview I get a 404 message for the page I want to preview before publishing.
2) When highlighting text to then install link, link is not accepted
Highlighted text shows when working on blog but not when published.
http://realestateintheunitedstates.com/

This is the next I highlighted but the link did not work.
That’s cheaper than in about three-fourths of other metro areas nationwide.