Writing consistently, even if not a lot, is better than writing a lot once every now and then. (I started with 200 words a day and after 4 months of writing daily got to 800 words a day, eventually getting to 1200 a day.
Extensive editing is more of a consequence of wanting to write better rather than a requirement of the craft.(this only applies to authors who see it more as a hobby)
There are thin lines between inspiration and plagiarism that have to be dodged like bullets every time you write something "new."
Having a thesaurus, dictionary, and slang dictionary in physical form is a huge time saver when writing. (Not because it isn't faster to search on the internet but because it is easier to get distracted on the internet. Also, urban dictionary is the Wikipedia of slang dictionaries. Did you know you can find slang dictionaries for many cultures, languages, and era's for sale online? I got a Victorian one.)
Narcissistic authors prevent good stories from being better. (This is very specific to people who think their story is perfect without flaws.)
Figuring out whether you are better at dialogue writing, descriptive writing, or scene writing will always determine what will need the most work during editing. (Practicing the ones you aren't good at while you use the ones you are good at will make things a lot easier.)
The imagination is often best utilized while alone but the best inspiration comes from real interactions with nature, people, animals, architecture, stories, etc.. if you have writer's block, try taking a break to see what the world around you can offer, good and bad. Something interesting will tend to come out of it.
Writing genre's that very few people like can be very disheartening.
