I am new and have LOTS of questions please

[igrantrich]

Hello There!
MY name is Grant I am a 26 year old sports and game loving guy.

I went to a garage sale on the weekend and picked up 5 slot machines!
(thought these would be amazing for the man cave)

But I know nothing and having a lot of trouble trying to find out stuff about these.

So I have 5 slot systems.
Firstly I have no idea models or what they are?
Out of the 5, 2 Don't turn on, 1 is showing 'CJ' , 1 in showing 'E1' and last one is flashing 'Wait' In japaneese.
Are those issues hard to fix?
I have watched some videos and they all look like they need keys, where can I get these keys from?
Also what is the value of these Machines? I only want to keep 1 or 2 and anyone advice?

Thanks so much for any help
Remember I am new to this so be as dumb as you can

Really appreciate the help
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Grant