$100k financially makes little sense for any professional because it completely ignores the risk attached - I suspect you are between 1 and 2 orders out (although you are very unclear how much time you are looking at spending).
I suspect it is easier to think of it in time invested and returned: if you invest a year of time at a 10x risk, you need to get 10 years of early retirement to cover that risk. That is easier to back-calculate how much you need to bank to reward your risk - 10 years of after tax income is a huge figure for most people (far far more than your $100k).
VCs target 30-times return for each individual investment to cover their risk, and they spread their risks over multiple investments. You usually have only one concentrated investment, so a sensible target profit for yourself alone could easily be $10 million if you have high earnings, and the revenue target is probably much much higher than that (depending on profit margin, and dilution, etcetera).
There are a few mitigations that could lower the multiplier. I regarded starting a business as university-of-practicality, so I also valued learning. I had also said no to previous valuable opportunities in my past, so I knew the regret and opportunity cost of saying no. If you can do something on the side and slowly ramp up the proof-of-profitability, you can dramatically reduce risk and so far lower profitability is needed (but beware of the slow ugly death at one_second_per_second of time wasted on a failing business). Many people value autonomy highly (although beware that it is common to make clients your boss, and end up with a lack of autonomy in your own business).
Background: I founded a business over a decade ago that has let me semi-retire, however in hindsight I am still unsure it was worthwhile, because there are other serious costs and risks beyond my time investment.
Maybe the point isn't about the amount but the type of businesses that do not scale well and interest few people ? And 100k can be huge in some places if you think at the earth scale ;-)
I suspect it is easier to think of it in time invested and returned: if you invest a year of time at a 10x risk, you need to get 10 years of early retirement to cover that risk. That is easier to back-calculate how much you need to bank to reward your risk - 10 years of after tax income is a huge figure for most people (far far more than your $100k).
VCs target 30-times return for each individual investment to cover their risk, and they spread their risks over multiple investments. You usually have only one concentrated investment, so a sensible target profit for yourself alone could easily be $10 million if you have high earnings, and the revenue target is probably much much higher than that (depending on profit margin, and dilution, etcetera).
There are a few mitigations that could lower the multiplier. I regarded starting a business as university-of-practicality, so I also valued learning. I had also said no to previous valuable opportunities in my past, so I knew the regret and opportunity cost of saying no. If you can do something on the side and slowly ramp up the proof-of-profitability, you can dramatically reduce risk and so far lower profitability is needed (but beware of the slow ugly death at one_second_per_second of time wasted on a failing business). Many people value autonomy highly (although beware that it is common to make clients your boss, and end up with a lack of autonomy in your own business).
Background: I founded a business over a decade ago that has let me semi-retire, however in hindsight I am still unsure it was worthwhile, because there are other serious costs and risks beyond my time investment.