While property values dip in the rainy season, they don't dip beyond half of their value of the Summer: Bava Kamma 7b
Merchandise
A person cannot know from which merchandise he will profit: Pesachim 54b
A person should always keep his money at hand, to be able to invest it in a purchase: Bava Metzia 42a
Investment and savings strategies: Bava Metzia 42a
HaShem created fiscal circulation and the rotting of produce to increase the spread of wealth and food: Pesachim 54b
Liquor as one of the best merchandises: Pesachim 113a
Flax and expensive glass are bad investments: Bava Metzia 29b
Merchandise and money will only be blessed if they are hidden from sight: Taanit 8b; Bava Metzia 42a
One should only pray Before checking his merchandise, not After, at which point the prayer is pointless: Bava Metzia 42a
Sales
A person should try to be a partner of one who is doing well; perhaps one should even do business with him, because everything he touches has a certain blessing to it: Pesachim 112a, 113a
Better to sell quickly [A small gourd now is better than a large gourd later]: Pesachim 113a; Temurah 8b-9a
One may end up regretting any sale, except that of wine; wine is always at risk of spoiling: Pesachim 113a
Make sure to receive payment before measuring out the merchandise: Pesachim 113a
Better to deal in less merchandise from nearby, instead of more from afar: Pesachim 113a
The world needs both tanners and drug merchants in order to survive: Pesachim 65a
One who only makes back his investment isn't considered a real Merchant: Bava Metzia 40b
Sales of land are usually private, to prevent advertisement, as opposed to that of avadim: Kiddushin 28a
Loans
Financially, it is better to hire out one's daughter as a maid, than to borrow on interest: Kiddushin 20a
It is better for a person to lend money on condition to eat the fruit grown by the debtor: Pesachim 112b
Repayment of a loan is always in doubt, and requires effort, and is usually paid back with a poor quality of coin: Pesachim 113a
Employees
Always watch your employees: Bava Metzia 29b-30a
It is unwise to have an Eved who cannot earn his own bread: Gittin 12a
