Paying the rent on a reporter’s salary isn’t easy anywhere these days. But on the Outer Cape, it’s almost impossible. Massachusetts has some of the highest housing costs in the country. The problem is exacerbated on Cape Cod’s Outer Cape, a region that includes Provincetown, Truro, Wellfleet, and Eastham. In a community where the same one-bedroom apartment can be rented out for $2,500 per month year-round or $5,000 a week in the summer, the ince…