$30K per month, even 40 years from now based on 2% inflation, is equivalent to $13k per month today. You'd have to try
really hard to not get by on that.
I assume you mean $30k per year. The recommended is more like $700,000, and that factors in your pension, but we're just using approximate figures here. Still, $30k per day today is quite doable for a retiree. What are you going to spend your money on, exactly? You've already purchased everything you need by that point in life, so you're just in maintenance mode.
