Unfortunately very few boxers leave the sport with money and invest that money well never to return.
There are some of course, Lennox, Hagler, Micheal Spinks.
However many more end up with nothing despite having earned huge amounts. Bowe, Holyfield and Tyson for example.
Now not having a go at Floyd but he doesn't strike me as being particularly prudent with money and we've already seen he has issues with gambling etc.
So the odds are that Floyd will blow the lot sooner rather than later, so how long ?
My guess is he will fight again within 2 years.
I don't think floyd will ever be broke. He'd have to have a monumental collapse to ever go broke at this point. I know,ppl think it will happen but with the money he's made as of late, highly unlikely.