When an agent attempts to benefit his employer, does this action get undone automatically?

When a messenger receives a gift/profit after purchasing on behalf of a sender, who is entitled to the benefit?

The principle and philosophy of acting "beyond the letter of the law" (lifnim meshurat hadin)

Torah scholars may not prevent their students from learning from their ways and actions

The argument of a wife that she only agreed to a sale because she didn't want to get in a fight- what weight does this statement have?

When 2 documents are produced for one piece of property, how is the true owner revealed?

Joint ventures where not all investors give the same amount- how are profits shared?

Can a borrower choose whether to pay back a loan in cash or in land?

Is a child required to pay off the debts of their parent from their land and movable possessions?

The halachot relevant to a person who converts to Judaism together with his gentile wife- is a new ketubah required? chuppah? Sheva brachot?