Security systems today are the most sophisticated ever. Cameras come in all shapes and sizes, and it's not problem to find one that is discreet and well hidden. Check with local law enforcement agencies they can put you in touch with a reputable company in your area.
I can not tell you if someone will go into your home and hide. If you are scared think about getting a camera.
You can hide a camera in a car behind the license plate.
Hide where you are invisible and throw a snow ball at the security camera you can see.
One can purchase a camera strap from most home electronics stores such as Best Buy or Future Shop. Another option is to purchase it from an online retailer such as Amazon.
You can purchase a switcher camera at almost any retail store. I would suggest looking at places like walmart or even a home depot. I am sure they could tell you where to look.
Nowadays, crime happens in all places. I think you should purchase a CCTV camera and install it in your home for you and your family's security and to keep you safe from unexpected incidents.
All you do is throw a snowball at camera 2 so it cant see anything. Then hide behind the wall so camera 1 will not see you.
to hide from the cameras you throw a snow ball at the 2nd camera and and hide from 1 (hide behind a piller facing camera 2)
Throw a snowball on camera 2 when the cameras are off ;)
Hide behind the pillar with the red square and then throw a snowball at camera two.
Camera shop
You can purchase some slightly used surveillance cameras for home use on www.ebay.com. You might also want to check out www.craigslist.com.