they can last for at least 1,500 hours or even 3,000 hours (please refer to the projector's manufacturer's data). If a tutoring center uses the projector for about 30 hours a week, that amounts to approximately 1,560 hours a year, allowing the bulb to last over a year. The actual...
Just go to ebay and buy a good used one. I got an "untested" sanyo that just blows me away for $70. It was in bad cosmetic shape, but worked flawlessly. Retail was well over $2000. It does not use an LED bulb, but I was able to obtain a couple on the cheap through Amazon....