A wrap gives the seller a remedy only because a deed of trust gets recorded. What goes on record at a wrap closing, what the policy covers, and what neither one protects you from.
Buyers on subject-to deals often insure only their cash in. That is the wrong number, and it is the number that decides what you recover on a claim.
The lender's policy protects the lender. If you want protection for yourself, that is a separate policy. Here is the difference in plain terms.
Schedule A, the Schedule B-I requirements and the B-II exceptions, explained by the people who write them. Useful to anyone buying property.