Gray Tree Frogs make for wonderful pets! They like a lot of head space as they climb more than they sit on the soil. You'll need more than 15 crickets, 1 of mine goes through 4 crickets a day/night (I have three). $50 for a 10 gallon tank? Look around as I know that they cost much less than that in stores. The store near me prices their 10 gallons for $15 and they include a free top