How to get more public work projects?

Hi all i was trying to figure out how to get my villagers to ask me for more public work projects. I read somewhere (on pinterest i think about a week ago and i cant find it now) that you have to have nothing in your inventory, go swimming for a bit and then run around your town and the villagers with guarantee to come up to you and ask for new projects.
Is this true? Has anyone got a guaranteed way of getting more?
Im in the middle of paying off the town hall to be redecorated, and a villager asked about a police station, do i have to complete these first before more ask?
Thanks all

It's not guaranteed that they will ping you for new projects, it's just guaranteed that they will ping you. Filling your pockets with useless junk/nothing and carrying no money will just guarantee that they will not try to sell anything or try to buy stuff from you. They can still ping you for catchphrases, nicknames, and other useless stuff like showing you letters, etc. But if you have patience to do the swimming trick over and over again, you can almost guarantee that you will get at least a PWP suggestion once a day. Just make sure you know which personality type to seek out for specific PWPs and also when you notice that none of the villagers are pinging you, talk to one of them and they will tell you you look tired and need a break. Then they will start pinging you again.

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And no, you do not have to complete those PWPs first. Villagers will still ping you even if those PWPs aren't yet built.

Great thankyou so much for the info i shall give it a try

i hear that if you fill up your inventory with something useless like seashells, they'll ping you for pwps! it's worked for me once or twice. but they won't ask to buy your seashells because they're useless, and they also cant try to sell you anything because your inventory is full. they may still ping you for greetings or catchphrase changes but i believe this is the easiest way to get pwp pings. my friend does this and he says he usually gets at least one a day

I did the diving trick with Tammy for all the uchi pwps. Just google it.. it worked for me! Make sure though to trap whoever you want the pwps from near the beach by digging holes around them. It should also be close to the beach but still out of sight from the beach area. That makes it easier to have 1 person ping you. Go to this villager after every dive until they ping you about a pwp. It can take 20min to a few hours because they can ping about other stuff. But they will give you 1 pwp request a day. And your pockets need to be filled with either flowers or seashells. :>

Dive with your pockets full of non-buyable items (coins, flowers, etc). It also helps if you have a high friendship with the villagers. If they ping you for something else, just keep trying. You're guaranteed one pwp every day.

It's just harder when you're looking for a specific PWP on a specific villager personality. They tend to give you the ones that you don't plan on putting lol