I will stop working in 8 years. I will try to be FI by that point, and if I'm not, my partner can worry about our family finances for the next decade (he's okay with that).
Our savings rate is 40%. Our total home mortgage is 4 times my annual salary, with 3% interest. We have 6 times my annual salary in investments (mostly low cost index funds). We only need 1/3 my annual salary to live off, once we have the house paid off.
I would love to have the house paid off when I retire in 8 years. My partner, a dedicated mustachian, is not worried about paying off the house by then. Since our interest rate is so low, it's better to use the money for investments. He's right.
But there's something so freeing about not having a mortgage! It will be really hard for me to make the leap of retiring early with a huge monthly mortgage payment. I'd rather pay off the house so my partner can do a fun side hustle to pay our meager bills, and let the 'stche grow on its own without touching it. Otherwise, I feel in 8 years we'll have to start drawing the 'stache to pay our bills. I feel like I'm bringing emotion into this decision instead of just looking at the numbers (we can draw the 'stache to pay the mortgage and we'll still end up with more money in the end because 3% mortgage rate vs ~7% growth....)
Any advice?