that is a tuff one. me and my gf joke around all the time and i tell her the rule is if she has her horse i am aloud to have as many snakes as it takes to equal the same weight as her horse. This was before she sold her horse. i would say personally hold on to the snakes you have and just wait. but i also don't plan on selling any of my snakes unless i have to, my rule is once i give a snake a name it is mine until i need to sell it(personal reasons), example i have a black pastel 100%het albino, i hope to get a albino black pastel in my future breeding,but i would not sell the black pastel i have now just because i have a better gened animal. all the animals i have are pets, yes i plan to breed them and sell the babies, and hope to make some money doing it, just because if i sell one snake and it pays for the rats for 3 months for my collection that is a win to me, because this is a hobby to me.
i would say keep the one you have, don't breed tho. there is a chance you breed and end up with all normals. no one buys them and your stuck housing and feeding them you will be out more money and time then you would have if you didn't breed. there is a difference between having to care for 2 ball pythons vs 10 ball pythons, time. your like me you don't have much free time, so in a sense time is valuable to you and your gf/kid. breeding is something you have to make sure you are ready for, thats why i am waiting for a few years(i bought babies for this reason), you will not sell each snake within 3 weeks, it takes time and money. you will have to be able to feed and care for each single baby, and if you can't, i truly feel you should not be breeding. look at cl look how many "normal" ball pythons are for sale, and if you get bad odds and get 90% normals it will be hard to sell them(unless you go wholesale)
take a certain amount of money out of each pay check, i take out $100 out of each pay check(get paid every 2 weeks). That is my reptile money, if i need anything for my reptiles: new rack,rats,hides,new snake/new reptile. it all come out of that money. that way when i go buy the new rack or new snake i didn't really spend money in a sense because i saved that money since this is my hobby. it is the same as, some people like to go out every weekend and go to the bar and spend $25-50 a night, i would rather go get a new snake instead of buying beer(i also work till 8 on friday nights and have to be back at work at 5am sat so my weekends are shot anyway). buy taking money out of each paycheck you will be able to get the bumblebee, lemon blast, and whatever other reptiles you want.
hope it helps,
tom