If a person buys land in order to protect his wealth, does he have to pay zakaah when one year has passed?

Zakah on shares in a company that has not yet been launched for four years

How to work out the zakaah for commercial companies

He put his building up for sale and sold it a year later. Does he have to pay zakaah on it?

He has a piece of land that is the subject of a dispute with the municipality and he cannot sell it. Does he have to pay Zakaah on it?

He has invested money in the investment fund; how should he pay zakaah?

Does zakah have to be paid on all bought land?

A contractor who owns real estate and building equipment; does he have to pay zakaah?

If the land does not sell, is zakah due on it?

It is not permissible to estimate anything other than fruits