Creators! See something I've missed/forgotten/didnt have space for? Comment here. I'd love for folks to fill the list out for those curious about how crazy solo business running is.
I'll start!
Post box
Storage space
Sometimes renting work space
Some from the comments on twitter:
Taxes
Software costs
More from me:
Convention travel costs
Table and registration costs
Resources/memberships for business stuff. (Services and such)
Website domain payments
+ time maintaining the site.
Electric costs of all the equipment (a powerful PC can cost ~$10 a month to run. Now add room lights, multiple monitors, etc)