I can give you some pros and cons about purchasing real estate in the city of Oak Grove, Oregon. Here are a few:

Pros:
- Oak Grove is a relatively affordable area in the Portland metropolitan area, which may make it more accessible for those who can't afford the sky-high housing prices in nearby cities like Portland.
- The city is in a convenient location, with quick access to major highways and public transportation, making it easy to get around and commute to nearby popular cities.
- The area offers plenty of opportunities for outdoor recreation, including multiple parks, nature reserves, and the Willamette River, which runs along the edge of the city.
- The city has a strong sense of community, with active neighborhood associations and local businesses.

Cons:
- The city has experienced some issues with crime in the past, particularly property crime.
- Some of the schools in the area have lower ratings compared to nearby areas.
- The city is located in a floodplain, which may increase the risk of flooding and require additional insurance.
- While Oak Grove is a relatively affordable area, it is still part of the Portland metropolitan area, where the cost of living can be high.

Keep in mind that these are just a few potential pros and cons, and everyone's priorities and needs will vary. It's always a good idea to do your own research and talk to real estate professionals to get a better idea of the local market and if a particular area is a good fit for you.