Gable vents help heat escape and help keep condensation from forming in the attic during winter months.
To get rid of drilling debris from holes you are making in masonry for anchors, use a section of small plastic tubing about 2 ft. long. By inserting one end of the hose into the hole and then blowing through the other end, you will be able to get rid of the drilling dust without getting any of it in your eyes.
One reason there are few bidders at foreclosure sales is that it is next to impossible to get financing for such a property. You generally need to show up with cash and lots of it, or a line of credit with your bank upon which you can draw cashier's checks.