It may not be as easy as some think. The problem may not even be that you are new, but rather than so many sellers don't understand how to assign proper value to their practice. On top of that, the seller could be screwing themselves over by doing a number of things they didn't think were a big deal until the tried to sell, such as expensing all of their vacations through the practice, or even just assuming that because they make decent money a bank will loan on the practice. Banks often look at practice profit after the owner's salary, and many would-be sellers don't take that into account.
The best you can do is find a practice you're interested in buying, do your due diligence, and look for financing in many different places, comparing interest rates/terms etc.
