In place of a flat fee I can see the transition being something based on referral (did my buyer agent get me a trades person, lender, home inspector, etc.

Say that $500k is invested in a new trade or business - now it is business interest expense. 

There i a bit of research that needs to be completed early on in order to get a good judgement on the feasibility of this; from there, the "Official" way to ensure you could pursue this would be to request a "Zoning Opinion Letter" to receive an Official decision from the Department of Zoning in order to ensure this will not cause any issues during your permit review. 

I like that, unlike with say trading for a hedge fund, I can create opportunities for others rather than solely line the pockets of someone richer (that being said I still intend to make money).

This is my first investment of this sort and it has not worked out how I originally intended but I am learning from my mistakes and will be making better decisions in the near future What made you interested in investing in this type of deal?

But the rental too does have to meet the "active conduct of a trade or business" threshold, which does mean you wouldn't qualify to use section 179 if you have a rental that is managed entirely by someone else and you aren't at least overseeing it and making decisions about the management of it.I mostly disagree with the reply suggesting that you need to have an LLC to take the section 179 deduction. 

Look for shops that test and offer guarantees.For valued tenants or premium units: New appliances might be worth the investment for their reliability and long-term durability.Ultimately, your decision depends on your goals.

The seller can pay for it at closing (the title agent will cut the check to the trade to ensure there is no resulting lien) and provide proof of the replacement to the insurance provider.  

I think you should explore local and non-local CPAs before making a decision.

If you acquire one new property each year, you could significantly increase your wealth and potentially position yourself to qualify for larger investments, like apartment buildings or construction loans, within 10 years.I’ve worked with clients who have successfully implemented this strategy, and it has proven to be an effective path to building long-term financial freedom through real estate.Good luck with your decision!