Part of the money was contributed as direct monthly withdrawals from another bank account and the rest was accidental money that I contributed now and then. (moneysmartsblog.com)
Keep in mind that some daily and monthly withdrawal limits apply, and to increase them you should verify your identity with the exchange. (dailybitcoinnews.com)
They should buy a so - called variable rate annuity with guaranteed monthly withdrawals. (moneysense.ca)