(coffee maker all dishes includeded etc).It is a dorm style lay out all the bathrooms are onsuite so there is no half or hallway bathroom

Cross border taxation is very complicated, most developed countries like the US and Canada have sophisticated systems to ensure their residents pay taxes, and you are not likely to be able to achieve your goal of not paying Canadian taxes on Florida income while a Canadian resident. 

There are multiple strategies that you can use on mobile homes to achieve your real estate investing goals. 

For me, I'd rather have fewer doors owned outright that allow me to achieve my personal financial goals than having a large number of doors fully leveraged with less cash flow per door.

At the time there were limited 3 BR rentals in the neighborhood, but achieved such high rental rates the properties ended up performing better as rentals than as a for sale project.

Congrats on buying your first investment property—that’s a big achievement!

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

Stay adaptable and be prepared to adjust your strategy as needed.By leveraging these strategies and resources, you can effectively scale your real estate portfolio using the BRRRR method and achieve your investment goals.

I make sure they're well insulated, have replacement windows, spend more on nice flooring that looks great (plank style / wood-look porcelain tile, hardwood or click-together LVT planks, not peel-and-stick squares). 

+1 For Roku with Guest Mode.If higher end I would recommend live TV which can be achieved with Cable (Spectrum for me) app or with something like Sling or Youtube TV