private void trySellTo(Player player, InteractionHand hand) {
        if (level == null) return;
        // condense stock
        // (try to) charge cost
        // dispense stock
        ItemStack selling = getSellingItem();
        if (selling.isEmpty())
            return;

        condenseItems();

        if (isCreativeVendor()) {
            if (price.deduct(player, hand, false)) {
                ItemStack output = selling.copy();
                ItemUtil.givePlayerItem(player, output);
                giveSellingAdvancements(player);

                level.playSound(null, getBlockPos(), SoundEvents.ARROW_HIT_PLAYER, SoundSource.BLOCKS, 0.5f, 1.0f);
                notifyUpdate();
            } else {
                // insufficient funds
                player.displayClientMessage(Components.translatable("gui.numismatics.vendor.4insufficient_funds")
                    .withStyle(ChatFormatting.DARK_RED), true);
                level.playSound(null, getBlockPos(), AllSoundEvents.DENY.getMainEvent(), SoundSource.BLOCKS, 0.5f, 1.0f);
            }
        } else {
            for (ItemStack stack : items) {
                if (matchesSellingItem(stack) && stack.getCount() >= selling.getCount()) {
                    if (price.deduct(player, hand, true)) {
                        ItemStack output = stack.split(selling.getCount());
                        ItemUtil.givePlayerItem(player, output);
                        giveSellingAdvancements(player);

                        level.playSound(null, getBlockPos(), SoundEvents.ARROW_HIT_PLAYER, SoundSource.BLOCKS, 0.5f, 1.0f);
                        notifyUpdate();
                    } else {
                        // insufficient funds
                        player.displayClientMessage(Components.translatable("gui.numismatics.vendor.insufficient_funds")
                            .withStyle(ChatFormatting.DARK_RED), true);
                        level.playSound(null, getBlockPos(), AllSoundEvents.DENY.getMainEvent(), SoundSource.BLOCKS, 0.5f, 1.0f);
                    }
                    return;
                }
            }

            // out of stock
            String ownerName = UsernameUtils.INSTANCE.getName(owner, null);
            if (ownerName != null) {
                player.displayClientMessage(Components.translatable("gui.numismatics.vendor.out_of_stock.named", ownerName)
                    .withStyle(ChatFormatting.DARK_RED), true);
                level.playSound(null, getBlockPos(), AllSoundEvents.DENY.getMainEvent(), SoundSource.BLOCKS, 0.5f, 1.0f);
            } else {
                player.displayClientMessage(Components.translatable("gui.numismatics.vendor.out_of_stock")
                    .withStyle(ChatFormatting.DARK_RED), true);
                level.playSound(null, getBlockPos(), AllSoundEvents.DENY.getMainEvent(), SoundSource.BLOCKS, 0.5f, 1.0f);
            }
        }
    }