We have implemented the ability to gift someone a Supporting Membership now! When you access the Upgrade page there is now a 'Gift' button. Once you click that you can enter a username to gift an account Upgrade to. Great way to help support this forum plus give some kudos to anyone who has helped you.
The big green shed has 3mtr x 12mm copper roles for around $15 . I used 9mtrs with a few joiners and elbows and total cost was around $50 . So if you have some ability to create stuff , this would be an easy project and a big cost saving if you don't charge for labour .