Definitely walk away. Especially with it being your first. As mentioned above, his crest scales appear wonky and his fat pads are completely void which means he's malnourished and or dehydrated.
I've attached a pic of my guy so you can compare the fat pads to see what it should 'normally' look like.
The guy you posted has great color potential and I'm sure he can bounce back in no time with proper husbandry.