It's a very lucrative business to start a website and drive traffic to then turn around and sell the leads to realtors or lenders.

If you want to think about it as a math problem, it’s all about where you put your time to maximize returns while also factoring in what you enjoy doing.Picking the MarketI’m the kind of person who gets analysis paralysis.

Additionally, are there any other factors I should be considering when purchasing a duplex or triplex?

85LTV ask on a LTR rental is a tough ask, when adding an STR factor, nearly every lender will reduce max leverage by 5%. 

Avoid basing it on uncontrollable factors like taxes or insurance.

There are many factors, as with any real estate market:(1) Location. 

I've been thinking about this for awhile but unsure how the exact mechanics work. Stability: Homeowners tend to stay in their homes longer than renters, which can create a more stable environment for families and chil...

Brewerytown and East Passyunk could also be worth exploring.Big projects like Bellwether can boost neighborhoods, but they often take time to show results, so don’t count on them as a main factor.

I guess it's just too many factors to consider and it easy to get overwhelmed and cannot get accurate info and estimation when I conduct analysis (ex. property tax rate, insurance, maintenance fee, rent, repair, closing cost, etc.) 

@Vincent WeselakIt’s a good idea to get an estimate for your insurance costs upfront since this can vary based on the property type and location, and it’s a key factor in evaluating your cash flow.