Thank you so much for your reply Dudeperfect. I went and signed up with Localbicoin. I have the following questions if you do not mind please

1) I see sellers and buyers, does that mean this side basically allowing user to buy bitcoin from different users on the internet who are willing to sell their bitcoin? If yes then Localbicoin work as a middle man, right?

2) If I bought bitcoin from a seller, where my bitcoin are going to be saved? in Localbicoin? If yes, do they charge for this service?

3) If I have bought bitcoin from a seller, I can be a seller too later right? and if I sell something I can ask the buyer to deposit the money into my account right (bank acct if i am using Interac)

4) You mention to use irreversible payment. Not sure if I got the idea but as you mention later Inerac. Why is that, so people can not have access to my bank acct etc.  I mean it is saver?

5) Localbicoin.com is also asking to upload a copy of my ID. Is that safe to do so?

Sorry for my ignorant but I am learning and a bit of worry and scared. So I want to be more educated and  I thank you for my bottom heart for all your help.
Thanks