I have had a dream of buying a garden shed/mini-cabin to sleep in every now...

[annoymous0381]

...and then.? In my backyard I'm thinking about building buying a garden shed mini cabin to sleep in on some summer nights. The shed would be in the backyard. One concern I have is someone breaking in late at night while inside. The shed I'm looking at buying has wood floors, small windows and a wood panel door. The door is a solid woodfinish on the inside and outside. The door has a handle instead of a doornob. This means the only way to lock the door is with a padlock either on the outside or on the indside. The shed/mini cabin has woodfinish walls inside. I would be concerned about someone breaking one of the windows at night to break in.
Does anyone have any suggestions?
This would just be a place to sleep maybe at the most once a week.To make myself feel more comfortable I would want to paint the walls and paint the inside of the door colors that I enjoy.I would put an airmatress on the floor and sleeping ba
I don't have a tree to put a treehouse in
Is this dream something worth considering?
This dream is something I have thought about since I was 12 years old. Currently I'm in my late 20s.