How to start 3D printing with the Creality Ender 3 for beginners

I chose the Ender 3 primarily because of it's reasonable cost. I paid $180 which included shipping. Shop around, different sites offered different prices. Here's an Amazon link I found online https://amzn.to/2u70f5g Here's the link to the video " The Ultimate Creality Ender 3 Quick Start Guide" from 3D Printing Canada https://youtu.be/dQ0q9zLygTY I chose the Cura slicer first but had problems downloading it to my computer and didn't get much tech support. So i then downloaded the Raised 3D Ideamaker slicer and it has been working fine so far. For my first filament, I chose a PLA from Hatchbox which I picked up on Amazon. I've been pretty pleased with it so far. Here's an Amazon link to order the Hatchbox filament https://amzn.to/2tkt2Dp After my first test print, I picked up a stringing test print at Thingaverse, here's the link to that https://www.thingiverse.com/thing:2080224 Here are the settings I used to dial in my printer, using 1.75mm Hatchbox PLA filament. Extruder Tem