The worst best thing about that start is the lack of food and strong monsters you'll have to face once you step out. You can also start in the lmoe shelter in winter if you choose the 'Sheltered' start. There is a 3rd entrance behind the shower. Note the other entrance in kitchen found by moving the shelf. Standing at entrance found by moving the bookcase.
Most are found by walking into a wall space with one having 3 access points. It has its own water supply, in the form of a small water pond, and significant other supplies.
It has an underground area and forms an excellent shelter.
It's the kind of shelter most real-life survivalists dream of (and some of them own).
LMOE shelter - The Cataclysm: Dark Days Ahead Wiki.