I am really interested in your questions.
I would like to answer. but, please let me know the correct answer if mine is wrong
Q1:
I am not sure whether your question is related to unity or not. My answer is that it is not too much. please let me know your answer if you can
Q2:
I often use Stackoverflow to find solutions for my problems, but I have not signed up an account there so far, so reputation points of StackOverFlow is not available for me
I use sourceTree linked to bitbucket. I have bitbucket account
Q3:
Please check my portforlio for my projects which I released to customers. they are short videos.
I released one my own game "Zippi Craft" on google store, you search it. Now, I am developing a defense game
I am also doing a customer project named "Cresemar", I will upload a short video about on this saturday. You can check it at that time
Wish you have a successful project
regards