What pets are the easiest and the hardest to take care of?

What pets are the easiest and the hardest to take care of?
I can only answer this by using dog and cat answers as they are the only pets I have had for many, many years.


In your opinion,
What pet is the easiest to take care of? Cats
What pet is the hardest to take care of? Dogs
What pet is the cheapest to take care of? Cats
What pet is the most expensive to take care of? Dogs
What pet do you have so spend the most time on/with in order to take care of it? Dog
What pet can you spend least time on to take care of it? Cat
What pet is the laziest? Dog
What pet is the most energetic? Cat
What pet is the #1 attention whore? Dog
What pet is #1 anti-social? Cat

If I were to GUESS at other pets
1-fish
2-dogs
3-birds
4-dogs
5-dogs
6-fish
7-snake
8-hamster
9-Dog
10-snake