14. Get Rid of Things That is Not Your Style
One of the most serious mistakes individuals make when designing a house is leaving stuff on for too long. Maybe you've bought something expensive, so you keep it for longer than you should even though you know you're tired of it. Or, there's a memory attached to the item, so you feel bad about putting it away or giving it to the thrift store.
A great solution to the problem is to provide those items to family and friends, especially anyone young moving into their first home or apartment.