And we’re curious about also potentially installing an EV charger as part of this for an extra perk for guests/tenants. 

Look at the comps in your market, having extra storage is a bonus so as long as it has working electrical I wouldn't spend much time or money on it other than making sure it's clean for showings.

The trifecta is making the owner and property manager happy, compensating for the extra risk, issues, and potential repairs, and encouraging the resident to limit the number of pets and be sure they are not damaging the property. 

Also, it is okay to go through some extra maintenance for the short term. 

We plan to take all extra income after that and pour it into real estate investing.

I'm contemplating this decision because I'm not sure if it would be desirable for tenants to have an extra room instead just a loft area.

There’s a 99% chance you’re going to ask to much and sit empty for an extra month or two.

With this set up, we were able to get a DSCR loan through Kiavi with only a few extra steps compared to an LLC.  

Now out of that small percentage, there's an even smaller percentage where the extra 1/10th of a second you get by carrying open makes a difference.

@Clifford C Toth No, I don't rent them furnished, although in my market you can get an extra $50/BR for doing so.I have a 3rd party do the lawn 2x/month.