Although some plans allow you to have up to 3 billable users (within the same company), you may need a separate acct for each company.

We would like to do it all legally with plans approved by the town.Any recommendations for an architect / company that can assist us with this project? 

We Plan on living in the main unit for over 5 years atleast.

Burlington, Camden, and Gloucester counties are the main areas I’ve been searching since I need to stay closer to Philadelphia.I plan on living in the property for a few years and renovating since I have a lot of experience.

Good morning Ashley, It depends on what you plan on using the HELOC for.

Yes, I plan on reaching out.

Plan for funding the reno was through my W2, cash I didn't use on the down payment and a business CC with 1 year zero interest. 

I don't plan on buying anytime really soon but I'd love to start connecting with more seasoned investors and local professionals within the area.

In addition, I included my plan strategy in the attachments.

Even if the intent is to convert this into a rental upon grandma's passing, you still would like the step-up in basis unless you plan of lifetime of 1031 / 721 exchanges.