10.8% POT through thick and thin and with your own money is a great effort.
you must be on top of the world.
IMHO now you would need to consider a few things

1. streamline your operation as much as you can.

2. scout around/think/evaluate the best wagering option - BF, ABE,corporate bookmakers etc - getting that optimised can double your POT again.

3. risk manage your operation - what would you do for example if your form provider went out of business( happened to cyberhorse 3 weeks ago). Try to get an alternative supplier/plan to insulate you from this.
Also imagine a scenario where you come home tonight and your computer and all its backups are stolen. Could you continue etc.


As i said anything >5% POT is very good - thank fully most people lose and they're the ones we rely on.