Which neighborhoods should I not touch and which ones are ripe for the picking?

That probably doesn't work well for rents, and the neighborhood will look beat up in 10 years, when almost every house got sold to investors.  

Maybe go to one in a tough neighborhood so you really get in the thick of things. 

You're better off focusing on specific markets, specific neighborhoods, analyzing numbers, and building an ideal buy [box].

Choose the Right LocationProximity to Campus: Prioritize properties within walking or biking distance to minimize transportation costs.Safety and Security: Research neighborhood crime rates and local security measures.Access to Amenities: Look for nearby grocery stores, healthcare facilities, and entertainment options.3.

They are often located in desirable neighborhoods and are close to good schools.

Shop around.

I wouldn't consider it a heavy negative unless the street is super tight and parking is hard to come by or if the street is very steep/busy.The more desirable dense city neighborhoods it's almost kind of expected and off street parking would be considered a luxury rather than a necessity.If you get out into the suburbs I would say it's more of a big deal since more rentals have off street parking or a garage there.

Can try to reposition to Class B, but neighborhood may impede these efforts.Vacancy Est: Historically 10%, but 15-20% should be used to also cover tenant nonpayment, eviction costs & damages.Tenant Pool: majority will have FICO scores of 560-620 (approaching 22% probability of default), many blemishes, but should have no evictions in last 2 years.

You find this out by talking to people, speaking with past residents, people in the industry, or mystery shopping the property.Using technology to pull in data so you don't have to manually type it in, is helpful, but other than that, I would not trust automation.