You obviously have some skills, or you wouldn't have been able to earn the 100K. So, given the recent windfall, there ought to be a way to use the 100K to magnify your income.
What's the bottleneck in your regular business? What is it that is keeping you from having a blockbuster year each year? Or, even better, having a double-the-blockbuster year?
Once you've identified the constraint, try to figure out how to use some (or all) of the 100K to lift it.
You obviously have some skills, or you wouldn't have been able to earn the 100K. So, given the recent windfall, there ought to be a way to use the 100K to magnify your income.
What's the bottleneck in your regular business? What is it that is keeping you from having a blockbuster year each year? Or, even better, having a double-the-blockbuster year?
Once you've identified the constraint, try to figure out how to use some (or all) of the 100K to lift it.
Then: rinse, lather, repeat.