There are two ways to model paying off your mortgage early.
Increase your total monthly payments toward your mortgage
Make a lump-sum transfer (PlannerPlus feature)
Increase your total monthly payments
Step 1: Go to My Plan > Home and Real Estate
Step 2: Open the Primary Residence section
Step 3: Press on the β (pencil) to edit
Step 4: Increase the monthly payment field
Step 5: You can check the Estimated Payoff Date below the ZIP Code field and adjust your monthly payment to achieve your desired payoff date
Step 6: Press Save when complete
Make a lump-sum transfer to fund your mortgage pay down.
You can apply funds from a withdrawal towards mortgages. Any amount in addition to your monthly mortgage payment will be applied toward the principal.
Step 1: Go to My Plan > Money Flows
Step 2: Open the Transfers section
Step 3: Press "Add a Transfer +"
Step 4: Designate the From account (the account that will be tapped to pay down the mortgage)
Step 5: Designate the TO account as the mortgage
Step 6: Enter a payment amount in future dollars (i.e. the amount you expect to transfer at the time of transfer)
Step 7: Specify at what age this transfer will take place
Step 8: Add a descriptive note
Step 9: Press Save
NOTE: The estimated payoff date in the mortgage data entry field will not update when transfers are used to pay off the mortgage.