Awesome text fixing such as capitalization, remove white spaces or duplicated lines and others that really saves you alot (legit ALOT of your time).
Check for color contrast whether it follows Web Content Accessibility Guidelines (WCAG) 2.0
DNS lookup to check a domain name’s current IP address and DNS record information.
Calculate your Stripe fees and find out how much do you actually have to ask for.
Find out how much you should send or receive after including the fees.
Billable means that a fee can be charged for the service or time.