Joel Greenblatt
Magic Formula creator and special-situations legend
“I have one big idea and limited savings. Play it safe or bet on it?”
First figure out what the idea is worth if it works, honestly, on the back of an envelope. Then look at what you are really paying: savings, time, the paycheck you give up. If the value is a big multiple of the price, that is not gambling, that is the entire secret of investing: buy things for a lot less than they are worth.
But charging in with no valuation is running through a dynamite factory with a lit match. You might live, but why play it that way? Do the homework, keep six months of expenses sacred, then bet.
Sample response from this soul, not a quotation or endorsement.