1. Get the Tinder app on your phone. It is full of chicks and guys looking for after hours hookups on the way home from work (my preference), or after hours at the bar/club (i don't like drunk people sex so I never reply at that hour), etc... Great for last minute hookups without any other expectations. This is me speaking from experience.

2. When it's a one night stand, I never give out my phone number. Period. It's no longer a one night stand at that point.

3. At least make sure the civilian chick knows she's being used for sex and you're not interested in her personality, or any other  delusion you might have to feed into to get her to fuck you. I like to fuck around with a clear conscience and my, my, my, do the boys get attached sometimes.

4. Bump into some incognito escort having her 2 drinking maximum, such as myself, at a hotel bar and say thank you when you leave in a timely fashion after filling her needs for the night.

Make a few must have rules that you stick to and... BAM. No complications.

Cheers =)