For free video tutorial:
I recommend you to visit ieltsliz. She is a good teacher and the way she tackles the problems is very smart and easy to understand. Many of the tutorial videos are free but there are also premium videos that require you to pay for them. However, in general, I think free videos are enough for your IELTS journey.
There are a number of useful materials currently available on the Internet. The following sites provide free high standard IELTS materials for you to study with.
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