There is no earthly way we can reasonably comment in a helpful way to the OP without knowing both the advertised price, the full specs on the aircraft, and the nature of the squawks.
Telling him to 'run away' is rubbish if the airplane is being sold for a very low price. The ask price may have already been set to accommodate for the airplane being imperfect.
Let's say the asking price for this airplane, say it's a Bonanza, is $10K.
Does that change your advice to Mr. Buyer? You can cover a lot of major squawks at that price. And we still don't know what the 'major' squawks are. Is a seat torn? Is there low compression on one jug?
Frankly, when/if I ever sell mine I am going to research to identify where the market is for an airplane of mine's age and condition and tell anyone they can look at it, but I have already factored into the price any deficiencies known and unknown. So we might negotiate on the price - but keep your list of squawks and complaints/insults about the airplane to yourself; it sounds like this airplane doesn't interest you.