May be worth posting in the BP classifieds for specifically what you're looking for!

@Wangzhong Sheng there's a lot of people here on BP with money to invest.Suggest you start posting weekly, a sample "deal' under the Classifieds Forum.

I broker deals for my sons, and even though they are buying single-family rentals (classified as residential) I'm able to serve them with a "commercial mindset" and we look at the deals from that perspective. 

I would classify this as a Landlord issue, in my opinion. - Troy 

I post the meetup details every month in Real Estate Classifieds --> Real Estate Events & Meetups.

Just because you outfit the place for STR doesn't mean you need to classify it as a hotel.

By putting an ad in the classifieds?

I broker deals for my sons, and even though they are buying single-family rentals (classified as residential) I'm able to serve them with a "commercial mindset" and we look at the deals from that perspective.

For newly constructed, purchased or renovated properties and also retroactive generally over the last 10 years, building components are properly classified into individual units of property and accurate recovery periods for computing depreciation deductions.

Here are some additional details and common questions related to historic tax credits:Certified Historic Structure: To qualify for the historic tax credits, the building in question must be classified as a "certified historic structure."