With 10000 today I would get
Tiger Male
Pastel Enchi Female
Spinner Female
Pied Female
Clown Female
Use the rest for supply and put money aside in the event of a problem.
Just remember this are animals you are dealing.
Because invest $10000 today does not mean you will make it back in 5 years.
Many things can happen, animal not eating and not being up to size,animal not wanting to breed, bad odds, slugs, price drop etc