I'm curious about your plan to go from having $18000 or so in savings and investments, invested very conservatively, to having enough to ER on in 6 years. If you are spending $9600/yr right now, that would require a portfolio of $240,000 to produce a 4% withdrawal equal to your current spending. Assuming modest returns from conservative investments, you would have to save virtually all of your salary for the next six years to accomplish this goal (assuming your opportunities to make more money are slim to none, per your assertion).
I don't mean to burst your bubble, just curious what steps you see yourself taking to get you from A to B, or whether 35 is just a fantasy?
Sounds like you won't be far off from 35 though if you get decent returns on your investments and keep saving and living on $9600 a year.