A. Is the forgiveness immediate or only after the buyer can show it to others.?
***
Q. What is the equivalent of getting an expert opinion from a merchant ?
A. An opinion from a good relative.
***
Q. Regarding fraud over a sixth where the sale is void , is there a time limit of showing it to others or is it unlimited ?
A. That is the Gemaras second question.
***
Q. What is Ravas 3 point halachic conclusion ?
A. Less than a 1/6 - it stays.
More than - both may retract.
An even 1/6 - its valid but give a refund.
Now may be a good time for a gem of Torah study.
www.GemsofTorah.com