You'll also need to find out if tilapia are legal where you are. Here in Louisiana, especially southern, they are not allowed due to reproduction issues and the potential for escaping into the local waterways. They are allowed in most northern states as they will not survive the cold weather and need to be restocked every year.

.10 surface acre pond, 10.5 foot deep. SW LA. The epitome of a mutt pond. BG, LMB, GSF, RES, BH, Warmouth, Longear Sunfish, Gambusia,Mud Minnows, Crappie, and now shiners!!...I subscribe!!