monkeybusinessimages / iStock via Getty Images Key Points The couple has $4.1M in net assets but falls$57,650 short of their $140K annual income need. Two$2M homes create high fixed costs but little retirement income without selling or renting. Selling one property could generate $68,820 in additional annual income and close the gap. A recent study identified one single habit that doubled Americans’ retirement savings and moved retirement from dream, to reality. Read more here. A reader wrot ...