While visiting another animation forum I came across a site which someone shared a link to. It is on the subject of limited animation.
http://tvtropes.org/pmwiki/pmwiki.php/Main/LimitedAnimation
There is also a sub-topic which is interesting as well called Lazy Artist.
http://tvtropes.org/pmwiki/pmwiki.php/Main/LazyArtist
Both are quite interesting to read and can be helpful in not only what to use to increase your production speed but what to avoid to maintain quality.