Initially, I sort of felt this response was a bit dismissive. But after reading it a second time... it is actually on the money.
I had a house when they first came out in ARR. I lost it in the first purge when I took a break. But back then, there were still a few plots available. By the time I came back, I was out of luck. I spent a long time trying to find an open plot. I eventually found a medium after many hours of searching. Shortly after that, my wife began her search for a large or medium. She spent many many hours checking the ward list for anything that would pop up. She lucked out and found a large up for sale (during the FCFS days) which was part of a black market deal gone wrong. So she snapped that up.
Some guy I know that came back from the game after a long break... he wanted a house for his small FC (friends/family). This was during the "spam the placard" times. He didn't spend those days leveling jobs or doing savage. He spent his free time looking for houses and spamming placards. Eventually he did get it.
Same story with an FC member. She tried on dozens of houses after the OCE data center came up and introduced abandoned plots. I think it took her about 2 months to finally get a plot. But that's what she spent her time doing.
Now... in today's system, maybe there isn't effort you can put in to increase your odds (other than shopping around for the plot with the least bids). However, players had many years to spend their time seeking out plots when it was FCFS or "spam the placard." Many of those players were rewarded with a plot for their efforts. However, for the players that didn't want to put in that effort and was just hoping SE would make it easier... well, they did. It is better than spamming a placard. But now they have to roll with the entire server on empty plots.