Valid & Invalid transactions

Q: A approached B to finance the purchase of a house which he did not see for 1.25 million rands and A agreed to buy the house from him at a higher price. He also borrowed 150 000 for transfer costs and renovations and this amount was included in the repayment of the house. The repayment price was worked out according to bank interest rates of 12% per annum with a total amount agreed upon. It was also agreed that should the payment be made before the 7 year agreed period then the total repayment will be less than the agreed amount, it will work out pro rata.

1.What is the shar'i status of this transaction.

2.What should be done to correct it.

3. Payment have already been received for 1 and half years, how should that be rectified.

Q: I would like to know what is the ruling on extended warranty. My brother bought a fridge and he paid extra to get the warranty for 2-3 years more than what they give it for.

Q: I intend to purchase a car that has a warranty. The dealer offered to extend the warranty by 5 years for an additional amount of R3000. The warranty covers towing and fixing if the car breaks down and replacement of parts. I notice that the policy is with an insurance company. Is this acceptable?

Q: I am purchasing a cellphone and have been offered the following option for extending the warranty:

Pay $10 a month and if you lose or break your phone, you can get a new one. Plus, every six months, you can trade in your old phone, pay the difference and get a new one.

Q: I want to buy a car. If I buy it for cash then the price is R260 000, and if I buy it in instalments, then I have to pay R300 000 i.e. R40 000 extra. Is it permissible to buy on instalments?

Q: I work as a middleman, taking orders for medical equipment, surgical instruments, etc. I make money through charging a commission on the orders. Is this permissible?

Q: Can you do a business transaction with your spouse? E.g. the husband wants to buy a car. Can the wife pay for it and sell it to her husband with a profit on the sale of the car?

Q: I run a supermarket. Is there any limit on the amount of profit that I can make on the items that I sell?

Q: My mother bought a property with a share from her brother the price of the property has doubled and now I want to sell the property. Should I give him the same amount of money he invested at the time or do I give him profit because the price of the house has doubled?

Q: A certain person owned a property that his friend wished to buy from him. On seeing the land, his friend offered him R1.2 million. He told his friend, “I don’t know the value of the property. If the value is more, you must sort me out.” After a week passed, the owner still hadn’t checked the value, but concluded a deal for R1.2 million, even making out a contract and signing the papers. A few months later, the initial owner learnt that the value was R1.5 million. He now wants to claim an additional R300 000 from the seller. Is this permissible?