Protect and clean the lens regularly, because damage can ruin the projector.

A Sony projector can be particularly useful to a business owner, as it offers a way to present information to clients and staff without the need to gather everybody around a small computer screen.

I bought a used business projector (Dell 3300MP XGA) on eBay for $350 (MSRP $1600). This is my first ever projector and I've been wanting one since the mid 1990's (not even the debut of large ...