Is going back on one's word in business considered unfaithful?

And, the beginning of a new discussion around the laws of onaah - mischarging.

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Can currency can activate a transaction for movable objects?

And, under exactly what circumstances does a party who backs out of a transaction get denounced by the courts?

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What items may be used to activate a barter transaction? What is the science behind why a barter transaction works?

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Can currency be acquired through a barter transaction?

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Can silver and gold currency be treated as goods in the context of the laws of sales and transactions?

And, can currency be used to activate a barter transaction?

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At what stage does a guardian assume liability for their misuse of the item entrusted to them?

And, launching the new Perek, whether various forms of currency can be treated as goods in the context of the laws of sales and transactions.

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Whether a guardian's profession matters when determining how they are expected to protect money entrusted to them.

And, in an instance where a misused deposit appreciated or depreciated in value, which value is the guardian required to pay?

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Where do we draw the line to determine whether or not a guardian protected the item entrusted in their care as expected?

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