Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

Angel investors might be interested, but you'll likely have to give up a portion of the ownership or future profits, and there could be potential complications in managing the investor's expectations and involvement.

I am looking for pricing information from the BP community on how much should I expect to pay for replacement and installation of a new gas furnace.

I can help you with accurate rent expectations.

It's mostly Class A properties, a few Class B.You may find the below copy & paste info useful in addressing your question:----------------------------------------------------------------------------------Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

With experience, expect 15-20% on 5+ unit properties. 

Rental Market Trends: Is this zip code trending positively for investors looking for cash flow, or should I expect stagnant rents and challenges with appreciation?

With this strategy, we knew exactly how each house was operating and we could intervene or change leadership of the house if necessary to assure operations were going as we expected. 

As expected, consulting with your CPA and the qualified intermediary (QI) handling the exchange is best advised.

Continually communicate clearly with all parties involved to make sure that expectations are as close to realistic timelines as possible.