I have no interest to leave an imprint on the internet for multiple rent lowering's on my own property. 

I am not sure they would be comfortable with me blasting their contact info all over internet. 

Figure out all the extra expenses of utilities, management, perhaps hot tub, internet etc. go low on income and high on expenses and see how the numbers look.

In-unit laundry is a must-have, and high-speed internet is essential for your guests, especially those staying for work purposes.

flipping is very tough right now - materials are expensive, good contractors are booked up, interest rates are high, buyers are picky. 

Links to your three other posts on this same topic so readers can see what's already been discussed:https://www.biggerpockets.com/forums/61/topics/551577-backyard-homes-produced-in-chinahttps://www.biggerpockets.com/forums/617/topics/551580-china-built-backyard-homes-socalhttps://www.biggerpockets.com/forums/61/topics/537480-tiny-homes-produced-in-chinaThis sort of house is an interest of mine, though I'm more interested in building them on-site with a 3D printer and local materials.  

Make sure to checkout all the materials under the "learn" tab, especially the podcats, great for those long commutes.

Bird dogging may have been more popular before the internet, google maps, etc.

This is the internet, so it's forever, and you're looking like a damn fool.I am an open book.

So yes, you need to set aside enough money to pay future taxes.Taxes are calculated only on your net profit - i.e. after everything is deducted, including labor & materials, holding costs, financing costs and business overhead such as marketing and driving.