Toni, a little tip to make it easier.
If you have a particular parish in mind, use Cornwall OPC.
https://www.opc-cornwall.org/Par_new/parishes.php
Click on the parish you are interested in.
Here is Probus:
https://www.opc-cornwall.org/Par_new/n_p/probus.php
Scroll down quite a long way to wills (or use Cltrl +F)
You will see a list of transcribed wills. You can click on each will given to see the transcription.
But above the wills you will see this:
A list of available Wills and Probate Documents. Copies of the original documents marked CRO can be purchased using the Kresen Kernow copying service, or may be freely accessible on films from the FamilySearch website. Copies marked NA can be purchased from the National Archive.
Click on
A list of available Wills and Probate Documents.
This will link you to the list of all wills that have been found for Probus. The ones highlighted have already been transcribed.
https://www.opc-cornwall.org/Par_new...obus_wills.pdf