The things new users most often get stuck on, and how to avoid them.
-10% or -200.0 and markup to their rate, like =650. The client sees the day rate, and none of it shows as an external cost. Don't use a percentage: 15% of nothing is nothing.Once a client approves, their number is set. Your job shifts to protecting your own margin. Stop guessing where your margin is going to land.
Publish as often as you need. Published budgets are frozen and visible in the client portal. On Locked budgets, costs don't lock until you present.
Present asks the client for approval and freezes v0.04. Only one version can await approval at a time. On Locked budgets, costs lock here.
It becomes the baseline. The target price is set to the approved total.
On Locked budgets, your new draft holds v0.04's costs on every line. New lines start at zero out cost, so the approved total holds. Future changes can become a change order.
Any question, any time. Nothing is too small to ask.