Meaning, double check your numbers on the anticipated rents you plan to charge, with multiple sources, and try to anticipate any costly, unforeseen problems during the renovation.I’m currently renovating a 4br 2bth into a 4br 2.5 bth, adding a master suite and opening the kitchen to the dining room and living area.

I pulled 150 nails out of the master bedroom, their was animal feces on one wall, and too many holes in the walls and carpet to keep track of.

Just this year we took a 4 bed/ 2 bath and turned it into a 3/3 enlarging the master suite.

Instead you can master the formulas behind each one2. 

Instead you can master the formulas behind each one.

Ultimately, we did change the configuration of the main hallway and master bath to allow for a "true" master bath (this was a 70s split-level with a very modest master bath originally) which I believed was crucial to getting a higher sale price.

One change-in-scope to original plan was renovating the hallway and master bath configuration.

It's not expensive.If your accountant wants liability protection I'd recommend completing the exchange and then having your master LLC set up a new LLC in that state and contribute the property to that LLC. 

Learning to first Master the art of finding good deals, any tips?

I had a new electrical sub-panel put into the apartment by a master electrician.