What happens when someone marks a barrel of wine to show that he wants it?
He is Koneh it.
He is now obligated to buy it and will receive Mi Shepara if he does not.
It depends on the Minhag HaMakom.
Answers A and B are given in the Gemara.
Answers A, B, and C are given in the Gemara.
When may the earliest harvester contract a price for a product that he has?
Never; he must always wait for the Shaar.
Always.
If it is totally completed.
If it is “almost” completed.
Only with foods, and not with other forms of merchandise.
Which labor is not done to olives?
Winnowing them.
Pressing them.
Warming them.
Drawing the oil to the pit.
Picking them from the tree.
Can the man who placed an order to buy, and the price went down, pay at today’s cheaper price?
Always, Lechatchila; no Kinyan was made.
If he made up to buy at “the cheapest price,” he may Lechatchila receive the new price. Otherwise, he must pay the old price Al Pi Din.
If he made up to buy at “the cheapest price,” he may Lechatchila receive the new price. Otherwise, he must accept Mi Shepara to pay the old price.
He must always accept Mi Shepara to pay the old price.
The buyer and seller compromise on a price halfway between the old price and the new.
What is the difference who must provide the seeds?
The Seah B’Seah of seeds to an Aris is always permitted in a place where the Aris provides the seeds, and is only permitted before the Aris began working, in a place where the owner provides the seeds.
When the Aris must provide the seeds, he cannot be fired before he actually began working the field; perhaps he was busy buying seeds.
When the Aris must provide the seeds, he can only be fired if he has been proven to buy non-quality seeds.
When the owner must provide the seeds, he must make sure to do so before the Aris is ready to start working.