The seller would need to include a clause saying what you CAN'T do, which is what a pre-payment penalty would address. 

We asked for a new survey as we no longer trusted the lot markers we had been shown.

Assuming it wasn't addressed in your PSA specifically then it likely should be them, but the reality is it is likely you.

Trust me; you don't want to miss those crucial dates and risk losing money or even blowing the whole deal.

We desire a certain level of autonomy and trust with our clients.

It's cheap and doesn't give them your house address.

The thread addresses a different topic, the Real Estate Professional status, but the same principle applies to the hours in both contexts.

how can I do this without sounding like I don't trust her?

See if any of them will allow you to use their address as a virtual location on the Internet.

Get a copy.2) Bring your trust documents to any bank and open a trust account in the name of the plan with you and your spouse as the trustees.3) Transfer your existing 401(k) funds into the checking account associated with your 401(k) trust.