5 common mistakes millennials make when buying their first home

A home's price tag and closing costs are one thing, but along with that monthly mortgage payment there will also be taxes due. Any homebuyer paying any attention to the process (and imbued with common sense) knows that, but what even savvy first time homebuyers often fail to realize is how often and how dramatically taxes can go up. This happens in two primary ways.

First, the town, city, or county can simply raise property taxes in a given area. Second, a home's market price can be reassessed at a greater value, often through additions and upgrades made by the new owner. The tax burden may well rise with the added value of the improved home.

Fully 84% of respondents to a recent Trulia/Harris Interactive survey reported that finding the right neighborhood was as important or even more important than finding the exact right house. But what constitutes the right neighborhood for a millennial homebuyer one year might be quite different in the years to come.

The home near bars and dining and shopping might be great for now, but with kids that mixed zoning neighborhood might be a terrible fit. Likewise a quaint, quiet neighborhood might seem the perfect place to settle, but might add an hour to the daily commute. Or you might find that it's too quiet.

The home inspection is one of the most important days in the entire home ownership process; it is the only day on which you, as the buyer, have the chance to identify problems with a property while the issues are still the responsibility of the seller.

By not paying for a top-quality inspector, not learning about the critical areas to make sure he or she checks on, and by not attending the inspection yourself in person to make sure it is thorough, you stand to inherit a raft of problems for which you will have no recourse other than spending money for repairs. Once you sign off on the final paperwork, even pre-existing issues, issues that may well have led you to walk away from a property, are all yours.

Here, my wife and I were guilty. When we bought our first home, it was absolutely capacious compared to our apartment. Two bathrooms? A guest room? A living room and a little den? How could we ever need more space? Then we found ourselves expecting our first kid.

Within a few weeks of that happy news, we found an architect and general contractor and got to work adding an addition to the house. The final product was plenty of space for the growing family, but it added greatly to the amount of cash we had invested into the home.

When considering a house for purchase, think beyond today and consider your needs in years to come. Buying a home that was too small tied as the top mistake reported by the millennials Porch surveyed. Tellingly, for Gen Xers and baby boomers, buying too small of a house was the No. 1 mistake they reported.