They are a bit undersized but perfectly suitable for 1 bedroom apartments and the slight increase in costs is far less than the costs associated with venting the units properly.

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. 

@Phil SheltonYou would need a civil engineer to provide a drawing to get submitted to zoning and get a permit if it passes zoning is most common This also depends on the road - if it’s a state road forget it as it will take a year to get approved and cost a fortune - if it’s a local road process not as cumbersome but don’t expect this to happen quicklyIn some instances you may have to prepare sight distances etc to make sure it’s safe to add a curb cut

A) it controls my cost.

Does a cost seg or bonus depreciation actually help you in any way? 

If a large repair or tax/insurance hike were to happen with a multi-unit than you at least have other units cash flowing (usually) which helps stabilize such unexpected costs. 

A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant specializing in real estate taxation, business taxation, financial planning and tax planning.Consider working with your accountant remotely to expand your options.I would also recommend looking for an accountant willing to work with you throughout the year.

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.

It always takes longer, costs more and has more challenges than I originally thought.

@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.