1.Set 10 builders in your area(Eden entrance sells items to convert digimon into builder types)
-2.Get as many of the item that makes development go better(Developer Know-How) from Mireis place, it's 25k
-3.Use 2 or more islands if you can at once
-4.Use the 1000 yen option
-5.Save at the 1 minute mark, RNG is not determined til the last second so you can save scum this
-6.Reset if you're not even Tactician USB(You get 2 at once)