Step 1: Head over to My Plan > Accounts and Assets and create an after-tax account

Step 2: Select the Capital Gains tax treatment

Step 3: Give the account a descriptive name, "My Yacht" for example

Step 4: Add the market value of your asset as the current balance of the account

Step 5: Enter the cost basis

Step 6: Enter the estimated rates of return and set the turnover rate to 0

Step 7: Exclude the account from the Withdrawal Strategies

Step 1: Head over to Insights > Savings

Step 2: Hover over the account on the sales date

Step 3: View the value of the asset (at the end of the year)

3: Simulate of the asset at the sale date

Step 1: Head over to My Plan > Money Flows

Step 2: Press Add a Transfer

Step 3: Add a Transfer FROM the asset to an after-tax account

This will remove the asset from the plan and move the proceeds to the after-tax account.

Head to My Plan > Taxes > Estimated Taxes and view the Capital Gains Tax liability. This will be the difference between the cost basis and the sale price at the time of sale.