Not a single thing in your post is relevant to the problem. I don't care what the GMAT cost, I'm not taking it. I don't care what MBAs spend, I'm not perusing one. If you think $150 is so insignificant, why don't you step up and offer to pay the fee for some of the members here?
Just don't do what I did accidentally - I sent a SOP to one school saying how much I like the research at a different school. Was rejected very quickly.
20 minutes.
"X,Y,Z each are looking for grad students this fall. Are you still interested?"
"Why are you interested in this field?"
"If it turns out you do not like the program, how long would it take you to figure that out?"
"Why did some of your math grades suck so bad?" (okay, not a direct quote there)
"Would you like to visit for an interview with X,Y,Z in person?"
I'd go for that, they overcharged my credit card $140 to send scores. I was on the phone for hours with customer service and they said they didn't have record of it. My bank fixed it, but then ETS sent me a bill for the money I never owed in the first place.