You should specify what country the phone is located in (I presume the US) and what countries you are prepared to ship to.
Also, I doubt that the AweSIM Service can or should be sold or transferred. So you should just cancel the service and exclude it (and the SIM card) from the sale.
Ditto the PureOS Subscription - unless you want to continue supporting the development of PureOS despite selling the phone (which I’m sure would be welcome).
As I had announced in July, I recently purchased a brand-new Liberty phone (Librem 5) with a one-year warranty. However, I haven’t used it since I bought it because it doesn’t meet my needs. If anyone is interested, I’m willing to sell it at a slightly discounted price compared to the original purchase price.