Inherently the steps are the same as if you were purchasing with financing save potentially less closing costs and ability to close sooner (if needed).The terms of your offer (ie -contingencies, closing cost splits etc) will determine what is different. 

Completely eliminated noise complaints from the lower level and reduced utility costs.

If you have a good FICO, a decent down payment and closing costs, go ahead an do the first one. 

to save costs, and responses sometimes took weeks.

I'll save you the details but...Per door cost: $63,300All in Cost: 700kTotal Revenue: 137k(ish) annuallyNOI: 65-73% (in the expenses we included: insurance, taxes, $75/month per door repair expense, management fee 8%, grass cutting, & a misc fund for random crap business license, etc.)Now...

@Yooni Choi managing from out of state (OOS) with ZERO previous landlord experience - probably won't go well.You WILL make a lot of mistakes that will cost you money.

I had a call with Simpletalk a few months ago and seemed pretty interesting but haven't pulled the trigger yet as it is costly.I know services do white labels and people brand it into their own AI call services, which mean a lot of these AI calls may actually be the same service...How much does Air AI cost?

You should only be liable for tax on any appreciation since you inherited the rental (minus the cost of your improvements). 

While this can maximize leverage and ROI, challenges include getting lender approval for seller financing, high carrying costs, and the pressure of short-term loans.

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.