saiyadjin has said everything. You can't start with something too advanced because without knowledge and experience you will just end up frustrated and tired without any solid results and you can't start with something too advanced because the lite version of Construct 2 doesn't allow you to make advanced stuff. Here's what I used to learn several basics of Construct 2 :
[all the parts]
https://www.scirra.com/tutorials/37/beg ... onstruct-2 [you've done this one]
https://www.scirra.com/tutorials/253/ho ... tform-game [you should do this one too]
https://www.scirra.com/manual/75/how-events-work
https://www.scirra.com/manual/98/physics
And I "explored" this forum. There are not only the things included in C2, there are the effects, the plugins and all the content made by the community itself that you can add in C2 to continue your projects. You should take some weeks to only learn, start with some little things, then buy the licence. You need to practice before trying to develop any personal and advanced project (like everything in life, when you think about it). As a programmer, you know it anyway <img src="{SMILIES_PATH}/icon_e_wink.gif" alt=";)" title="Wink">