Remember:

there are two types of nouns
1. Count nouns:
Examples: consumer(s), customer(s), ticket(s), expert(s), coupon(s)
2. Non count nouns:
Examples: competition, money, baggage, luggage, air, transportation, revenue

Using a few, few, a little, or little
3. If you use a count noun use:
Few: not many
A few: some
4. If you use a non count noun use:
Little: not much
A little: some

Structure

Examples:
few / count
Means not many
a few / count
Means some
I have a few minutes.
I have few minutes. (not many)
I have a little time.
I have little time. (not much)