CFA essay exams for sale

There are some offers on the net for CFA past essay exams. Can anyone advise me on whether they are beneficial ?

Don’t buy them since you can get them for free from CFAI. They are great practice since you get a sense of what the graders are looking for. Definitely use them but don’t pay for them.

They are available free of charge: Don’t pay a cent for these. They are very useful in figuring out the exam format.