Yes, you can buy cheaper one, but if you'd like to start your business professionally, you need to have professional machine with technical support and with ability to order spare parts & supplies on time!
Most customers who purchased a cheap printer assembled in a garage or a fake version of it, understand that their business is now under a serious danger, as they usually are broken and the promised support is not offered. You'll only realize that you have wasted a lot of time and money, hoping to save when its too late, so why to chose risky way?