Ideally, you layout all the duties (Find, Underwrite, fund, rehab, manage) and assign a value to each of those based on how much time they might take. 

Also, if you buy using a hard money lender or cash, Zach Starnes can do re-fi's off the appraised value shorter than the typical 6mos and then you might not need any money down if you buy at the right price.

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Examples:44109 (median home price went from roughly 50k to 125k in 8 years)https://www.zillow.com/home-values/77009/cleveland-oh-44109/ 44102 (median home price went from roughly 30k to 120k in 8 years)https://www.zillow.com/home-values/77002/cleveland-oh-44102/ 44106 (median home price went from roughly 100k to 200k in 8 years)https://www.zillow.com/home-values/77006/cleveland-oh-44106/ It has the highest rents on average in all of Ohio for major cities and the median home value is not even in the top 3.

How did you add value to the deal?

If they've genuinely abandoned, you'll notice their clothing, personal hygiene, and things of value are all gone.

From a tax standpoint, there are additional disclosures to make when selling a business asset for less than fair market value to a related third party. 

Additonally investor buyers use matrix like cash flow to determine value. 

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

If an issue is professionally fixed where the buyer feels confident it was addressed COMPLETELY and CORRECTLY, then I think you don't need to worry so much about resale value.