Can any body check mistake in this forum?

This job is going to be very popular now a days because this job provide guidance to businesses and individuals making investment decisions. This job can be divided in two categories one is buy side analyst and second is sell side analyst. The buy side financial analysts devise investment strategies. The Analysts on the buy side work for companies that have a great deal of money to invest. These companies are called independent money managers, insurance companies, hedge funds and non profit organizations with large endowments. Sell side analysts help securities dealers, such as bonds, banks and other investment. South Africa provide many jobs for financial analyst and provides R200,000 - R300,000 Per Year salary for experienced person.

Following are the responsibilities for this job:
=>Prepare and review marketing expense summaries.
=>Organize, maintain and manage all financial data.
=>Provide assistance in preparation of annual budget and strategic plans.
=>Prepare monthly or periodical financial reports, statements and operating reviews

Please guide me where my error is located.

Can you please explain the purpose of this piece of writing and its intended audience. Knowing that will help us make the most appropriate corrections.
There are a large number of mistakes which will need correction.