West Whittier-Los Nietos is a census-designated place located in the southeast corner of Los Angeles County. Here are some potential pros and cons of purchasing real estate in this area:

Pros:
- Location: West Whittier-Los Nietos is only about 15 miles from downtown Los Angeles, making it a convenient location for commuting or accessing city amenities.
- Affordability: While still within Los Angeles County, the cost of living and real estate in West Whittier-Los Nietos may be more affordable than other nearby areas, making it a potentially attractive option for buyers on a budget.
- Cultural diversity: West Whittier-Los Nietos is home to a diverse array of cultures and traditions, which may be a draw for buyers looking for a vibrant and welcoming community.

Cons:
- Traffic: While the location is convenient for commuting, the area also sees a fair amount of traffic on its major roads, which could lead to congestion and delays.
- Crime: Like many areas within urban centers, West Whittier-Los Nietos has seen its share of crime, including property crime and violent crime. Buyers should carefully research crime statistics and safety measures before purchasing property in the area.
- Limited amenities: While still within Los Angeles County, West Whittier-Los Nietos may not have as many amenities as other nearby areas, such as shopping centers or recreational opportunities.

As with any real estate purchase, it's important to thoroughly research the area and consider your individual needs and priorities before making a decision.