And if you are planning on writing this yourself, what do you know how to do? Write HTML? CSS? JS? I assume that you know PHP since you are posting here.
Yes I do in now the coding but I really have lost touch of everything for a very very long period.
So do you have a full set of tools at your side? And do you know how to design a proper RDBMS and how to write the necessary queries to update it and retrieve data from it and display it?
Yes wil be using WAMP server and MySQL
And do you have knowledge of the necessary PHP security functions to protect your data and your app?
This one I'm not quite sure.
And on what system does this flow chart falls