Coast FIRE answers one question: how much do you need invested today so your portfolio grows on its own to fund your retirement — without saving another euro. The first simulator built for Italy — with INPS pension integrated, 26% capital gains tax, and Italian tax treatment in retirement. Calculate your Coast number · Monte Carlo simulations · What-if scenarios · Net worth tracker · Italian broker import · SWR analysis Free to use. Pro unlocks PDF/Excel export and unlimited scenarios.