Also, if in the future I ever do need to redo the main line it'll be more expensive (L&M increases), I will have already likely spent thousand installing and maintaining the pump, and I'll have more tenants impacted by a sewer construction project (currently a 3 unit but will be a 5 unit at that time.)Help.  

Business plan has been submitted and underwriting is underway.

- You're running a small business.

TN offers busy tourist areas great for strong STR using ARBNB/VRBO to help cash flow higher. 

I am looking to expand my business and wondering what marketing tools others have used to grow there portfolios?

Yes, it is in my business name @Christopher Phillips

Quote from @Gian Pazzia: For properties that small, you should budget $450 per property and use software like the one below from a trusted brand that has been in business almost 25 years. 

Check your local and state regulations regarding this business model.  

You need to decide first what your priority is in regards to your business.

I no longer qualified for traditional financing because I already own many rental properties and my DTI was high for the bank, so I purchased these in a business entity with a trusted private investor and was able to refi the 1st property/sell the 2nd property to pay back my investor and ultimately keep the better property for zero money down.