If you have HM lender who you can use sure go ahead and their cost would need to added as part of the numbers to make sense. 

There are way to many plates spinning at once to ad in other variables.

Would it be adventageous to ad him as a tenant instead?  

No result, no schmae.Now, a bit of full disclosure before @Jay Hinrichs spews anymore of his toxic venom: I am connected to on-line education which does cost money - it is a product which is purchased, not a service.

Chris T.A few more details I would like to ad in there.This particular house our contracted price was $95,000. 

Childrens' wading only, and they pay to reseed any killed grass.Other banned stuff:Trampolines (insurance);Any dog adjudicated as dangerous or vicious (insurance);Any dog on the insurance banned breed list, including mixes containing any of the banned breeds (insurance);Venomous pets (after a tenant snuck a rattle snake into their apartment and it got out);Illegal substances or conducting an illegal business (duh).Mike

Also:a.No wild, dangerous, feral, venomous, “tamed” wild, or farm animals of any kind are permitted on Premises.

Am just surveying all options while avoiding venom and vitriol for asking questions haha

He was very interesting and a fun story.I have a Hennessy venom Dodge Viper with a Paxton supercharger. (772 hp) I have owned it for 14 years and it is too fast for me now.

Yes, installing new A/C heating unit to a duplex can easily cost you $15000-30000.When I needed to ad Central A/C to my 1963 duplex, it costed me just $15000, roof installation and permits.