"There seems to be some correlation between size of the company and the quantity of their needs. The smaller they are, the more needs they have. The opposite is true as well. So yes, many clients pay $2k+ per month and may use the service once or twice a month, equating to under an hour’s worth of work."
Source: https://www.indiehackers.com/post/designjoy-crosses-70k-mrr-...