I have to agree to avoid any more fish. I find it is a lot better to have a longer tank, or a 40 gallon for neons and bettas together. My embers were hunted viciously in my 20 Some females are just that vicious to other fish.
Breed for the breed, not for the money; the words any REAL breeder would understand.
You must know nothing in order to know all, for all is nothing and nothing is for all.