It will be 275$.
You need to have a crypto wallet before buying it to claim it after purchase. If on mobile, preferably ‘Phantom’. Download it from play store or apple app store.
It will be released on the Sapien Shop.
If you voted interested, you will be added to the pvt group before submission.
After submission, it will be made by Sapien Medicine.
Once made and released, a password will be shared in the pvt group.
Then you can purchase it by entering the password. The link to the field on store will also be shared, so it is quite easy to purchase.
If you have any further doubts, go through these threads Buying NFT Guide
Official NFT Guidelines & Discussion