I have NO IDEA how to handle women. I do, however know how to handle my business, and since I am the sole proprieter (cheif cook and bottle washer?) .... I also make the purchasing decisions that affect my business.
The way i do it is:
Every cent (and I mean EVERY cent)I make from performance, recording or teaching goes to the family budget.
The money I make in gifts from customers (some people call them tips, not me), selling & trading equipment or sound installation labor is kept in a "slush fund" for more gear as the need arises.

So, the same few dollars keep getting recircualated in the form of newer gear, and the old stuff gets sold, traded or stored. (I hardly keep ANYthing electronic after the warrentee is up)

Being the head of any business is a 24/7 job and it takes alot out of you, so I need to know that I have the best tools for the job. If I'm happy and amused, I can keep my clients happy and entertained. I think alot of musicians take the "business" end too lightly. I treat it as my life's blood, and my family's security. The performance and the applause is all I keep for ME.
(and that's enough .... MOST times)