[whattheheckheck]

You can say no thats too much work load, we're understaffed or its too tight of a timeliness for the results.

But understand the ecosystem. People make promises that arent entirely dependent on them to be able to deliver

[tonyedgecombe]

If your boss promises something that will take 150% of you capacity for the week does it make any difference whether you put in 80% or 100%?

[whattheheckheck]

Business will take everything you give. Theyre bean counters will be always calculating when it costs more to hire and onboard a new dev than to let you take your time....