You certainly can ask the seller to make the units vacant before closing.

on a 100 year old house that rents for $1000 a month that's about to need a new everything - that is spectacularly deficient.  

However, they approach financial health from different angles.The 50% Rule is a quick estimate that suggests operating expenses (excluding mortgage principal and interest) will roughly equal 50% of the property's gross income.The DSCR is a more precise calculation (Net Operating Income / Total Debt Service) that determines if a property generates enough income to cover its debt obligations.Deal example:- Class C middle class neighborhood- 4bd / 2ba single family house- ARV: 190k- Purchase: 105k- Rehab: 35k- Market rent: $1,400-1,525- Section 8: $1,475- Property manager: 10%- Taxes: 125 month- Insurance $1250 yr- HOA: $55 month- purchased and rehabbed with all cash.

And IMHO, the prices are dropping big time (on avg. 10K/month...houses that were above 300K a year ago are not selling at 250K now) and the available rentals saturation is worse than I seen during summer season (with rents dropping from 1$-1.08/sqft to 0.8$/sqft and very little contacts and applications...just go in Zillow and look how many rentals are on the market now in Kyle, New Braunfels or Converse). 

I have some in-house laborers for any large projects but sometimes value add can even be raising rents to market or finding an off market gem. 

I have five houses in Memphis area, and the biggest problem has been finding a good property management company. 

I would focus on coaching that helps you become a local expert and build relationships with sellers, not try all the BS marketing techniques.

Quote from @Stacy Banks: Hello I wanted to know what does it cost to do foundation & framing for a 1,500sq ft house being built in Lehigh Acres Florida.  

But I do have some family in Canada that have told me there has been some tax increases to the STR owners to try combat housing issues.

Are you looking to house hack?