Will this be able to make $100M/year in revenue within the next 3 years? If it won't probably be able to make >$10M rev/year, you're not super passionate about

Will this be able to make $100M/year in revenue within the next 3 years? If it won't probably be able to make >$10M rev/year, you're not super passionate about it and they want to buy it for $3M+, I'd go for it.