umm...never heard of that trick before, usually I just
1. When it's a new day, do not start the game on your mayor's file, instead create a new character
2. Go through the Rover thing, and go explore your town for a house plot (or camper)
3. If it's not the designated house plot/villager, press the home button and reset.
4. go through steps 1-3 until you find a nice house plot/villager
5. Talk to Isabelle and get a house anywhere. Save and quit once you're done becoming the resident of the town.
You can delete the extra character right after this.