I would wait. Why get something that YOU cannot enjoy and burden others with it? You said you buy your rats at the pet store and probably spend at least $3 per rat. That is $150 a year (give or take) per snake........x 4 years AND $130 for the snake, you are looking at over $700. In 4 years, I would be willing to bet you can buy and adult pastel female for WAY less then even $500........and you would not have to burden anyone with care, feeding, changing substrate, cleaning supplies, worrying if your friends/family are taking proper care of your BP, etc. I would hold off for just a little bit and who knows, a year from now you maybe living in an apartment and you can bring your male and buy a female pastel/spider next year.