more than likely going to get whithin two years:
Crested geckos
Leopard gecko(s)
Goats
misc fresh water fish
spider

Might get within five years but not as likely as above:
Cow
Green anole(s)
frog of some sort
emporer scorp
whip scorp
tokay gecko
glass lizard
chameleon (not very likely)
Black widow ( had one)

Will problably get when I move out:

Corn snake
misc cat(s) and dog(s)
Ball python
parakeet
ferret(s)
beardie
hedge hog

Unlikly:

iguana
RTB
GTP
russain tortus
Emu

Not gonna happen but still cool

Brown recluse
Braziliaan wandering spider
sidney funnle web
copper head
cotton mouth
alligator
gila monster
gaboon viper
boomslang
camel spider
anaconda