PC Recipe How to Use Jetpack-Website Builder
This is an excellent mobile app works with Jetpack, the All-in-One plugin. It is very useful for a small edit.
WordPress.com
PC Recipe 
Advance Preparation 7. Security Measures
This is the security from hardware to software. At the ending part, there are the countermeasures against hackers. Please refer to it.
Advance Preparation 5. Select your Hosting Service
Select a web hosting service for WordPress. If you don't mind the cost, WordPress.com is supposed the best, but there are a lot of recommendable web hosting services.