Someone to post two reviews per week on each platform or trade reviews

Hello,

Good day!

Can you answer the following?

1. How much is your cost/post?
2. Will you post reviews on Google? (Yes or No)
3. Will you post reviews on Facebook? (Yes or No)
4. Will you post reviews on Yelp? (Yes or No)
5. Can you post reviews at least twice per week indefinitely?

Thank you