Instant purchase is welcome. This item is new. It is unopened, so the operation has not been confirmed. We cannot provide support for any defects. Please consider this if you are okay with this. Regarding combined shipping, it may be possible to combine items into one package, or you may be asked to purchase items separately. Please contact us if you have any other questions. Shipping will be via Nekopos (a Japanese delivery service). We do not accept price negotiations, so please understand.