Perfect manicures are the best. Asides a flawless makeup/makeover, a clean manicure ranks tops as one beauty feature that stands a lady out.
Manicures don't have to be done professionally every day (not even every other day) it would come off funny when a lady has to book a salon appointment everytime she needs a change of polish asides from everyday living/work getting in the way.
A perfect manicure can be done in the comfort of one's home but it requires constant practice, which will eventually be nailed perfect. Watch this guide on how to start the basic manicure.