A good portion of sites offer very cheap power leveling for WoW do so in a fairly reckless manner. Meaning they just get you leveled as fast as they can without much care to confidentiality. A professional service will only talk to characters under the website's control and avoid at all costs talking to anyone else. They have protocols in place in case an unavoidable run-in happens. Another common practice low quality leveling services are famous for is using up your assets to level your character. A safe cheap power leveling service will always inventory your equipment and use there own assets to level your character and then return everything back to you. Some bad sites will keep everything from drops for themselves. This may not seem like a cost but in the end it is actually costing you and you can add that cost to your original payment and now what seemed like the cheap power leveling service ended up costing your more. The best cheap power leveling sites will always allow you to track your character's progress. Normally they will allow you to specify a time that you want to play with your character. This is a time for you to track progress and see where your money is going as well as a time to meet up with friends. You can also get a feel for your new powers. Keep in mind that just because you’ve found a great deal on website that offered some very cheap power leveling doesn't mean it's the best service.