Ive posted about it a lot, including your waiter thread, but i know that industry inside and out
Ive bartended and the key is making friends with the customers. Girls can do it by flirting but guys usually have to become friends with the customers, people who go to bars everyday, go for the bartender. Working in a sportsbar, i sometimes made $200-$300 in a 6 hour shift, then other people made $100-150 during the same weekday and time. The bar would get packed because i was working. Same with a flirty 10/10 bartender, she worked in 3 bars and there was a flock that would go to whatever bar she was working that day, she never had a slow shift
Youd have to change your approach depending on where youre working, but people would come to watch sports at mine. I had informal fantasy leagues going, people bantering about their teams, betting beer over 3rd down conversions etc. Even if it was something nobody would care about like horse racing, i would have people picking horses, talking shit on each other's jockeys etc. not only was it fun for customers, but i got them engaged with each other rather than staring at a tv in silence
The money is good but its mentally exhausting and VERY fast paced. There are some days where you go 3+ hours with every second counting, working as fast as you possibly can. Trying to make enough time to engage every customer, restock, pour drinks, get food out, clear plates, clean glasses, cash out checks, put in orders etc. and you still cant look like youre in a rush and you cant dismiss people trying to tell you stupid drunken shit because youre too busy.