What are the important things to me maintaine in Drupal development?

i need a best answer... or:i need a best answer...or:At the time of going with Drupal development maintenance, at very fist you should consider points

i need a best answer...

or:i need a best answer...

or:At the time of going with Drupal development maintenance, at very fist you should consider points like proper knowledge of storage, database and domain limitations because it will badly affect your site in the future.

Tags:answer,