The higher priced item is always the one that you pay for - the lower priced item is the one that you get for free. So I'd say you split the cost of the higher priced item.
Faster, cooler air (in terms of the speed you blow) and your embouchure can help you hit the high notes. You should aim the air slightly more upwards, jutting out...
I would never buy from a seller who disclaims the pictures. However, if you're willing to buy from a seemingly clueless seller, you can always open a SNAD (significantly not...
Current market value is used. It must be a recent appraised value by a certified appraiser or a current market analysis provided by a Realtor, and the lender will choose...