Advantages of homeownership in Harrisville, New Hampshire include:

1. A stable housing cost: Homeownership allows you to lock in a mortgage payment that won't change, whereas renting can be subject to changes in rent increases over time.
2. Equity: As you pay down your mortgage, you build equity which can be used to finance other things later in life (college tuition, retirement, etc.).
3. Control over your space: When you own your home, you have free range to make changes and improvements to your home as you see fit.
4. Tax benefits: Homeowners may be able to deduct some or all of the mortgage interest paid on their home loans from their income taxes.

Disadvantages of homeownership in Harrisville, New Hampshire include:

1. Wildfire risk: Harrisville is in a wildfire-prone area, which increases the risk to your property.
2. Maintenance costs: Homeowners are responsible for maintenance and repair costs that can be costly in the long run.
3. Limited flexibility: As a homeowner, you are tied to your home and may not be able to relocate easily if your situation changes.
4. Market risk: If you need to sell your home, there is no guarantee that the value of your home will have appreciated or even maintained its value, leaving you at the mercy of the market.