Any Help is greatly appreciated. I am a realtor in South Florida. Home Inspections are a booming business but, it seems like these inspectors all have different ideas of how things are supposed to be. My dilema for TODAY is... my client is closing tomorrow afternoon and there is still one more problem not corrected or justified. On the outside at the main breaker on the load side there are the main wires going into the house sub-panel and the wires leading to the a/c unit's quick disconnect. He is flagging this as a double tap... this and every other house in this development built in 1974 are all this way. My question is... "Is this legal now or was it legal then or was it ever legal?" Again any help is greatly appreciated.

The inspector should have referred you to a licensed electrician. This is something that an electrician needs to look at and determine if anything needs to be done.

If there are two separate conductors in the breakers terminals then this time the home inspector is likely to be correct. Double barrel lugs on breakers are a special order item. At one time you could buy adapter lugs that had a round tail that you placed in single lug and had two separate lugs in the body of the lug. I do not know if they are still available.
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Tom