House Upgrades - Harvest Moon: Save the Homeland Guide and Walkthrough

Upgrade buildings in Harvest Moon: Save the Homeland doesn't require complicated terms, if you already have the money, then you will be able to upgrade your house immediately. However, you don't have many building upgrades options. So, how do you upgrade the house? To do that, you need to go to Woody's house and press the X button to interact with a note on the table to buy house upgrades in