Write everyday!
That's fantastic advice, and Sean McCabe gives some truly compelling reasons why.
In summary: Write daily and write in the morning. Produce instead of consume. Prove to yourself that you are actually producing something, even though you don't show everything in public.
But, if you want to make a name for yourself, it is important that you own your public writing. It's okay to cross-post to social and other media sites, but always post your writing on your own site. Other sites may come and go, but your own site will be there as long as you.