Looks like someone turned it into a chicken coop. Does it have a clean title? When was the last time it ran and moved under its own power? How's it look under the hood? Do you have a good place to work on it? Access to tools and help? How much of a hurry are you in?
It will almost certainly need more than some hoses and carb sprucing. scouts are generally pretty simple to work on if you have basic mechanical ability and a decent assortment of tools. A factory service manual is also of great help. $600 isn't much of an initial investment, but its tough to determine from just these few pictures how much more cabbage will be needed to make it dependable. It could run you anywhere from a several hundred to several thousand dollars. You can hope for the best case scenario, but you'd do well to prepare for the worst.
Its been treated to extensive "cosmetic" modification as evidenced by the fender trimming and creative rear side window elimination. What other previous owner modifications might be lurking? I don't expect you to answer that question, but you should be asking it in your mind as you consider this purchase.
When funds are tight, trying to bring any older vehicle back from the dead can be a roller coaster ride. You're young, inexperienced and perhaps impatient. Under the right circumstances, an old Scout can make a great project vehicle for a budding young mechanic to learn on. I don't know if this particular Scout coupled with your present set of circumstances would make for a good marriage. The last thing you want to do is get in over your head on your first project. Give it some more thought and see how many of these questions you can find honest answers for.