auto differential Manual. DO IT YOURSELF.?

Question

We are almost completed manuals on differential on how to repair your own diffs with step by step and photograhs , where to buy cheap parts from. YOU can also do gear change or upgrade. This will be the first in the world.This manual is put together with some help from ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY
in Australia. Will you be interested if sold for $25.00 US? (just for survey, tell us what do you think? thank you.(be honest)

Answer 1

na it ok thanks!