Bar, daygame, bookstore, parking lot, grocery store...anywhere: it's always the same.
"Hey!" smile
wait for acknowledgement. if none, "hey, I'm over here." in a lower tone.
"you're kinda cute!"
allow response. tempo between lines is very measured (not hurried).
"how well do you cook?"

if well,
"good. give me your number."
if she gives any genuinely stupid excuse (like "i don't have one") it's a major turn-off, she's dead to me and I turn/walk away. yes i know she might be nervous, or I haven't hooked her, or she activated anti-slut defense, but in my personal situation, 1) I only want the best 2) i don't have time 3) i'm really not interested anyways, i got enough going on. However, I welcome resistance. I want to get to it ASAP so i can address and overcome it. Remember, if she's talking, she's interested.

if not well,
"surely, you must know that the way to a man's heart is through his stomach! what are you going to do to make it up to me?"
if she's fun/clever/likeable
"good. give me your number."

standard pua rebuttals past this point. for example, "i'm taken"
"Whoa, slow down girl. I'm not looking to be your boyfriend. I just want you to buy me a drink sometime."
A little later, instead of repeating givemeyournumber, say "You're so shy!... You haven't even asked me out yet!" (canned rebuttals)

never relinquish the frame. even if blow out, end with "you're really blowing your chances with me, you know."

The basic idea is to be direct, save time, show high status and that I don't care. All of the aforementioned are my genuine feelings. It occurred to me i should share this, maybe some fraction of you guys will like it. It's not meant to have a high conversion rate of "maybes." It targets one important ability that I value and am interested in. It relies heavily on first impressions based on one's height, fitness, face, dress, voice, and attitude — these characteristics obviously don't flatter everyone.

I use it indiscriminately (regardless of her IOI); the responses range from "wow creeper" to very enthusiastic and open body language. Discuss.

I'm similar to you I suppose, except that I never had much success by going straight for the phone number without a bit of conversation.

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mpuaforum.proboards.com

Unless a guy gives a girl some things to chew on with regard to his own life, he will probably be living in Flake City.

You have got to get into a convo, have the girl feel warmth and build somewhat of a connection in order to consistently have girls coming over to your place. If the OP has a different experience I'm all ears, obviously no offense to the OP.