I travel a fair amount via commercial airplane. (Greetings today from Ft. Lauderdale; this afternoon it’ll be Chicago.) But forget traveling in heavier-than-air-craft: there are people who live in airplanes! Meet Jo Ann, a beautician. Let’s see this baby appraise out for a refi! But the price is right for anyone willing to make the effort, as airplane carcasses are very affordable. One big topic at the Bank of England Mortgage event going on here is how interest rates impact affordability. Last week the Commentary included a link to a “handy-dandy chart for LOs to help borrowers to see how rates impact affordability.” I received several emails pointing something out, succinctly summed up by Fairway’s Mike S. “A quick glance shows that only 20% of the population’s affordability is determined by interest rates. At 3%, 65% of the country is already priced out. At 9%, that number is 85%. That means for 80% of the population, the interest rat