Here are the formulas to know your house purchase price is expensive or not. Also, you can find formula to calculate best selling price of land.
Formula to buy home
The formula tells if your house is expensive or not. Based on expected rent you can decide. Based on the rent expected in that area you can decide, your house is expensive or cheaper.
Formula to sell land
Selling land is art after buying it. Once you decide to sell it, you should not look back. How to set a price for a land is a little tricky. Use this formula to find if your decided price gives you profit or not.
Here are Formulas