[This is part of the Common WordPress Mistakes series to help bloggers, churches, ministries and nonprofits avoid common mistakes when creating a new website using the WordPress CMS.]
Ah, yes, another wonderful day in WordPress world.
This next tip is good to know, as you can avoid using extra server storage space you may not need to be using in the first place. Failing to compress your images or fully understand your Media Settings is a common WordPress mistake better avoided earlier than later.