Eyelash Answers

For a slightly tanned person…skin prone to little redness
1)Blusher
———–
What colour should they use?
2)Eyeshadow
—————-
What colour suits them the best?(Other than Shades of brown.)
————————————–…
3)For a oily skin person,should they use liquid foundation or powder?
4)My lower eyelash is very short(almost cant see),what should i do if i want long lashes?
5)Commend me the best coverage concealer with cheapest price =).(For dark eye circles)
Thank you!