flat

Zakaat on flats

Q: I have two small flats. First one I bought with the intention that I have a house to live on. Later I bought a second one and changed my intention to sell them both after some time to buy a house for me. Both are rented. I want to know.

1. How much zakat I have to pay now.

2. If I use the rent for my retirement money to live without work how do I have to pay zakat?

3. If I sell them and buy a house and start living in it and partly rent it to get money to survive in old age, how should I pay zakaat on it?