Original sentence: The motivations for DIY audio can include cost, entertainment and quality of workmanship
Edited sentence: Looking at the motivation of the audio DIY participant, some think that it is cheaper to make equipment than it would cost if an item were bought new.Reference:  Veselinovic Article "DIY Pros and Cons".Some do it for the enjoyment, spending much more time and money on a project than it would have cost to purchase something similar.Some think that they can just do a better job, or just want to create something unique or different