Expanding scope and holding final payment hostage.
> Maybe you could tell us a little bit more about how you scoped those projects and how you handled contracts and payment terms.
List of requirements, with 50% before and 50% when done. This was my #1 mistake and I have stopped this.
> It would definitely help if you told us how you sourced those clients. Did you network your way into them, or get them off outsourcing sites?
Networking.
> How big were the clients?
Larger side of small business scale.
> You're not one good client away from all your problems changing; you're several business model changes away from having a sustainable business that will generate fewer abusive relationships, and, over the long term, the luxury of being picky about your clients.
One month at $100+ an hour would take care of all debts, allow me to purchase needed medicine and provide enough runway to only accept quality clients. That is what I meant by that.