add price dumping and loading instructions to readme

README.md

@@ -64,4 +64,16 @@ python manage-dev.py runserver
 The django admin interface is enabled, so when running the development server you can browse to
 `http://127.0.0.1:5000/admin` to login to the admin interface using the credentials you created
  using the createsuperuser (or other valid credentials if connected to an existing database). Here
- you can manage administrative users, priced items and other things.
\ No newline at end of file
+ you can manage administrative users, priced items and other things.
+
+## Migrate price information to deployments
+
+with the correct enviroment settings setup, it is possble to dump the latest price information by running from the source database:
+```
+django-admin dumpdata stripe_checkout.PricedItem |json_pp > prices.json
+```
+
+to load price information into the target database, run:
+```
+django-admin loaddata prices.json
+```