Tanaina is an unincorporated community in the Matanuska-Susitna Borough of Alaska, located about 30 miles north of Anchorage. There are several factors to consider when it comes to the advantages and disadvantages of purchasing real estate in Tanaina.

Advantages:
- Natural beauty: Tanaina is surrounded by the beautiful Alaskan wilderness and has access to many outdoor activities, making it a great choice for nature enthusiasts.
- Quiet and peaceful: Tanaina is a small, close-knit community with a low population density, which makes it a great place for those who prefer a more rural and peaceful lifestyle.
- Affordable housing: Compared to other areas in Alaska, housing in Tanaina tends to be more affordable, which makes it a great option for those who want to live close to Anchorage without the cost of living in the city.

Disadvantages:
- Harsh climate: Alaska is known for its long and harsh winters, and Tanaina is no exception. Temperatures can drop to -20 degrees F, which can be tough to handle for some people.
- Limited job market: While Anchorage is nearby and offers many job opportunities, Tanaina has a small job market, which can make finding employment more difficult.
- Limited amenities: Tanaina is a small community, and therefore has limited amenities such as shopping centers, restaurants and entertainment venues.

It is important to consider these factors before purchasing real estate in Tanaina, as they can greatly affect your quality of life and your investment value.