The money arent thrown away. First, to have a calm mind is worth quite a lot.
Second, if you run into any difficulties, NOW you can without embarassement phone and ask advices. After all, you are his paying patient, and thus you can expect some service, which perhaps would be difficult and embarrassing to ask from an unknown, non paying nobody. So to speak.
In the same way, you can perhaps get some receipts on phone. For example, into a couple of years ago, you could get Revolution deparasiter spot on, only on vet receipt. its free now, but there are surely other examples.
