Need a plugin that allows the server host to spawn ANY .prefab they want using x,y,z coordinates every xx seconds, checking that the entity hasn't already spawned in that position first.  Owner should be able to join the game as admin, travel to coordinates, and create the spawnpoint in game wherever they are via chat commands (something like "/spawnpref tester")
Config should look something like this:

"PrefabSpawnLocation": {

"x": 98.51779,
"y": 3.50971746,
"z": -307.130768,

"PrefabToSpawn": { "assets/prefabs/tools/map/genericradiusmarker.prefab", (<-- server owner can put ANY .prefab they want here)
"How often to spawn": 300, (<-- using seconds)
"Check For Spawn Before Spawning Another One": true

I'm not a coder, but you get the idea.
Willing to pay small fee for such a simple plugin.

5Dev24

I'll look into this. I will most likely add it to an existing plugin if I get the chance to as this plugin would be a minor thing on its own.

No worries.  I've already got someone who made the plugin.  Just waiting for it to be published for free here.  Thanks, though!