asbe / iStock via Getty Images Quick Read A $1M nest egg generates $40K in annual income under the 4% withdrawal rule. A $1 million nest egg usually falls short for retirees earning $100K or more pre-retirement. Early retirees need larger balances to cover longer timelines and pre-Medicare healthcare costs. A recent study identified one single habit that doubled Americans’ retirement savings and moved retirement from dream, to reality. Read more here. A seven-figure nest egg may seem like a dr ...