Building a network, finding mentorship, joining local REI groups, and expanding your portfolio through larger investments can help.

Duplexes are worth quite a bit more per sqft than Fourplexes as there is a larger buyer pool and it opens to the non-investor customer.

If you can put the right systems in place and the market makes sense, I think it's an easy choice for most investors 

Banks ask for larger down payments to shift risk to the buyer/borrower in default. 

However, you can choose to do a Cost Segregation Study and instead of depreciating the property as a whole you depreciate each piece of the property some of which have a shorter lifespan and that allows you LARGER deductions sooner!

But for straightforward setups, you can actually form an LLC directly on the PA Department of State website yourself, and it’s very cost-effective.For larger portfolios or more complex structures, some investors prefer going through a real estate attorney to ensure their LLC is set up to maximize tax benefits and liability protection.

HVAC could last another year or 5 but on any property you need to be prepared for larger expenses to come up during ownership.

We (collectively, I speak for all of the mods here) would rather keep the active and engaged threads clean if given a choice.3.

If you will be purchasing materials those cards offer some discounts and in addition you can get pro discounted pricing on larger orders as well.

Not sure who you're using for title, but know that same as your realtor/lender you have a choice of who you use for title and that might help!