Open your in-game phone
Go to the Internet
Select the Dynasty 8 website
Browse your owned properties
Choose the property you want to replace
Buy a new property in the same category
Confirm the purchase
Receive trade-in value for the old property if applicable
Note that most properties cannot be directly sold for cash
Use property replacement to effectively get rid of a property
For businesses, use the appropriate in-game management or trade-in options if available