Please capitalize where necessary: the number one reason, i found myself attracted to tren is how inexpensive and easily available it is. no wonder so many bodybuilders of note resort to taking tren.
A: The number one reason, I found myself attracted to tren is how inexpensive and easily available it is. No wonder so many bodybuilders of note resort to taking tren.

Please capitalize where necessary: at this early stage of this transformation, he does not have any worries in terms of the future:"i am convinced that my successor, christophe nicolet, will in the years to come, put in everything he can, more so than i did".
A: At this early stage of this transformation, he does not have any worries in terms of the future:"I am convinced that my successor, Christophe Nicolet, will in the years to come, put in everything he can, more so than I did".

Please capitalize where necessary: individuals could just go to the web-site, fill in the order form and wait for it to reach their indicated location.
A: Individuals could just go to the web-site, fill in the order form and wait for it to reach their indicated location.

Please capitalize where necessary: it is also very close to the gothic quarter and the harbour.
A:
It is also very close to the Gothic Quarter and the harbour.