You cannot repeat the magic of cost segregation in later years.

Obviously owner is Seller financing for their own tax strategy purposes so wondering if that affects the advantages on my end as the buyer?

From there every 20 point increment affect pricing differently.

You will not get to the repeat part, because you have to pay and pay well to get highly trained professionals on your side.  

Don't and I do repeat DON"T replicate any STR in your market!

Does other non-real estate related business income affect this?

(This is not a knock on people who went to private school lol, just a demonstration showing how your environment can affect your perception - which is ok, and actually a good thing for you to be able to determine what makes sense to invest for you!)

keep in mind documents affecting title are recorded at the county recorders in every county in the US as such they are open to the public.. and anyone can walk in an record documents now certain things need to be done on the documents to record them..

Then you have to change your number or go on the 'Do not call Gov website to help stop the repeat calls.  

Why not repeat every few years and build a portfolio?