Generally speaking, proactive tax strategy planning is a separate service and incremental cost to just tax prep. 

Does anybody know of any resources that review the strategy and process of converting a single family home in a neighborhood zoned for multi family to a multifamily home? 

What is the exit strategy?

Adding keywords related to your investment strategy or market locations can be updated in your settings.

Deliver quality and expect quality with your ARV/purchase price.5) Know what your #1 outcome is and have an exit strategy no matter what.6) Don't give up.

This can be a strategy to leverage your existing property for further investment.While your current debt-to-income ratio may not be ideal, working with a knowledgeable mortgage broker can help you explore loan options that consider your entire financial picture.

The "partner" bank to this strategy is Relay and they make it very easy to open and name accounts.I would second what was said above. 

A good strategy here is to refinance and pull cash out so that you can use it for your next acquisition.  

Broadly speaking, what investment strategy is working for you right now?

First, there are so many different strategies (each with their own different risk/reward) that there is no one single answer.