Have you asked them WHY they are selling him? And definitely ride him yourself to see how he handles. A vet check is a VERY GOOD idea. He is pretty and has good confirmation, (from the pictures) I did not watch the whole video but it looked like he might be winging out the front right leg as he moves. Because I did not watch the whole video (as my slow computer was taking forever to load) you may want to see if he is or if it was just the angle he was coming at the camera with. As for the price they said it is negotiable, I would definitely ask them to come down if you decide he is something you want. I would suggest that you take your trainer with you to see him in person. Have them load him (twice - they usually load the first time, but will he load the 2nd without a problem? ), use clippers on him, (inside the ears too- if its too cold to clip at least run the butt end of the clippers into the ear with them running to see how he responds). Be thorough in your test drive. I will even do aggrivating things to a horse to see how they react, I run my hand up under them, (even in private areas) to see what type of attitude I get, I pick up feet, and hold them up for a few seconds to make sure they stand well, pull the tail, play with the ears. I always tack them, sinch the saddle, put the bit in, take the bridle off etc. - Most people will not tell you when there is a problem with a horse, be safe in checking them out, ALWAYS watch the ears and body motions of the horse in everything you do. Be aware if the horse seems "drugged" eyes should be bright and wide, not droopy he should be quick to respond not sluggish. Tie him before you buy him and when you load him tie his head in the trailer to know he wont pull back and become an idiot. Ride him OUTSIDE the ring as well as inside, most horses work well in a round pen or arena, but take them out of that environment and you have a different horse. JUST SOME SUGGESTIONS that I have found that have helped me to make wise decisions in horse purchases. I do put the animal through its paces, I stop it, and start it, and ask for lead changes and take it away from the barn etc.. to see if its going to blow up.. I make sure this horse is going to handle, and obey and not be a problem horse. Definitely TAKE IT AWAY FROM OTHER HORSES to make sure it is not herd bound - to me there is nothing worse than a herd bound animal. Hope this helps you to make a good decision. He looked and seemed like a nice horse but just KNOW.. there are ALOT of dishonest horse people out there.. BUYER BEWARE!