The number of colors really depends on the simplicity or complexity of your home. Adding too many colors to a home that's really designed to have a maximum of 3 or 4 colors will make the home look garish, and the exterior paint colors will come off as garish. Look for homes with similar architecture, hopefully by the same builder, and see what others have successfully done.
Definition: A debit is an accounting entry that either increases an asset or expense account, or decreases a liability or equity account. It is positioned to the left in an accounting entry.
Assets are on the left side of the accounting equation. Asset account balances should be on the left side of the accounts. In the accounting equation you can see that assets are on the left side of the equation: Earlier you learned that debit means left side. Recall our T-account that showed debits on the left side: Hence, asset accounts such as Cash, Accounts Receivable, Inventory, and Equipment should have debit balances.