Hey there, one reason you're likely being downvoted is that this kind of post can get repetitive. If you use the search bar and use both the "post" and "comment" tab, you can find a lot of information about tutors/ prep resources. For example, by using the search bar I found the following mentions of RC Hero in comments/ posts:
Here, here, here, here, here, here, here, here, here, here, here, here, here, here, here, here, here, here, here, and here.

Do as much research as you'd like, and feel free to DM/ email me if you have any questions.