You can find a lot of reasonably and low priced motion sensor lights available at Home Depot, as well as at Lowe's. All lights do burn out eventually, but the length of life all depends in the amount of useage. Lights that are turned on my motion frequently will likely not last as long as a light that does not come on very often.
You can get cheap outdoor motion lights at any hardware store. These stores include Ace Hardware, Lowe's, and Home Depot.
This site has the cheapest motion sensor soap dispenser available; www.alibaba.com/showroom/hand-motion-sensor.html. I would like to add that cheap is not always best nor will it last.
Wireless motion sensors are most widely available from electronics shops such as Maplins. They are great for protecting your home against criminals and are a relatively cheap security solution.
You can purchase cheap plinth lights online from the Amazon website. Alternatively, you can also purchase these lights for cheap from websites such as eBay.
Find Christmas lights at Kohl's. They are really cheap there.
I do not know where you can buy a cheap Free Motion treadmill. You can check local stores and also check online to see if you can find a cheap good deal.
cheap back up to crank sensor. it may allow the car to run with out crank sensor, though poorly
Many physical retailers and online retailers sells cheap bed lights that someone can buy. Physical retailers like Sleep Country and Kohl's sells them. Online retailers like Amazon and Ebay sell cheap bed lights as well.
Cheap Christmas tree lights.
Tea lights in pound shop
You probably have a door sensor out, they detect whether or not the doors are closed, so the car thinks a door is open. It is a little button that gets pushed in by the front of the door by the hinges. They are cheap and easy to replace.
You can REALLY good lights and lasers and strobes at Spencer's or Amazon.com