What is the required over-measure a seller must give for liquid goods?
Halacha 12: For liquid measures, the seller must tip in the buyer's favor by one hundredth of the total amount.
Question 2
Why may weights not be made of iron or lead?
Halacha 3: Weights should not be made of iron, lead, or similar metals because they rust and become reduced in weight, making them inaccurate over time.
Question 3
How often must a wholesale merchant clean his measures?
Halacha 17: A wholesale merchant must clean his measures once every 30 days; a house-owner must do this every 12 months.
Question 4
A buyer asks a seller to weigh ten pounds in five separate two-pound portions. Must the seller comply?
Halacha 14: The seller need not split the purchase into multiple weighings. Requiring separate portions to extract extra over-measure for each is improper; the seller may weigh all at once.
Question 5
What is the court's obligation regarding commercial honesty in cities and towns?
Halacha 19: The court is obligated to appoint police (inspectors) in every city and town to inspect the stores periodically and ensure honest weights and measures are being used.