Then I learned from some powerful people that they feel screwed a lot, too! A respected angel said "one out of three deals."
On getting rolled⤵️
I then hold the line — until it would cause more harm than good. (When investing, "does it serve the founder" is my byphrase.)
You can "succeed" in life stabbing people, welching, "being slippery" in your commitments, etc. The only things at stake are your trusted relationships, and who you are as a person.
I can't imagine how much harder this all is for people with less privilege than I've got. (Including: my mom is a tough negotiator so at-home training :)