Stay away from odd properties, buy cockie-cutter with standard features and finishes.

Here are some alternatives to commingling your assets:using the Solo participant loan feature to do the deal outside of retirement fundsusing non-recourse financing from a lender or private source in combination with retirement funds as the down paymentusing your 401k or IRA and partnering with non-disqualified persons I'd recommend you reach out to a few providers who regularly post here on BP to get a better understanding of your options.

Use the "search" feature on BP.Depending on how extensive the odor is, you may need a multilayered approach.When we rehabbed a house that previous owners lived in and smoked in for decades, we found that we had to go much deeper than walls and paint. 

I'm working on rehabbing a recent purchase to get it ready to rent, and in the course of installing a new curtain wall I discovered that the newly created bedroom would be without a heat source.

Probably the same source.

As we have started marketing in Utah we have used a couple different sources to get our list to market to through cold calling or direct mail. 

My plan is to use the property as a financing source for another property.

Rent Manager 12 is a full redesign of the product and includes all of the features you mentioned above. 

What are the sources that are available that would help a novice (like me)?

The MLS has withered as a source for good deals.