How could a company's first technical employee (or a consultant) integrate cloud service costs into the company budget? My thinking is that when you build "serverless" or "autoscaling" services the company may ask
How much will this cost? $10/month? $1,000/month?
and it seems unclear how to manage those costs.
If we just do an example. Let's say I build a Heroku or Cloud Run (GCP) hosted dashboard, or a simple web app using Firebase. Who pays for it? I don't want company tools to run out of my credit card for obvious reasons.
Make sure you have technical solution of your problem.
Then, find out the size of your data in each request. How much bandwidth you will use? Where you will store the data? How much CPU you will use? etc. Based on this extrapolate your cost for whole month.
Based on that you can use GCP calculator https://cloud.google.com/products/calculator