If those are relatively modern you have very little to worry about.

After conducting thorough due diligence, including a professional inspection and market analysis, the property was acquired for $72,000.Renovation and TransformationThe renovation aimed to modernize the property, enhance its appeal to potential tenants, and maximize its long-term value.

They have to meet modern codes and SEQUA requirements.. this is what stops building on lots that would not be buildable with modern subdivisions map act standards or modern zoning. in the hilly areas road widths and slopes will not meet Sequa so they stop building on those lots there are thousands of the lots scattered around LA county and these are the lots you see going to tax sale all the time.

Bay windows or built-ins can be a subtle way of blending modern convenience with the character of Ardmore’s older architecture.

For both Oregon Coast short term rentals and hotels/motels there is a drastic need for modern and updated hospitality.

A lot of young professionals like this area so furnishings should be modern and "upper-middle end", if that makes sense.

and we've had mall's just demoed and the whole lot redeveloped into a more modern use case for the the community needs. 

In other words, if you spend $600k, getting a $60k return would be your benchmark. 

Here are a few strategies that might help:- Leverage Industry Benchmarks: Many investors use a percentage of gross rental income as a quick estimate for operating expenses.

I've seen some people post on here about offering modern/classic game consoles.