Ill pay someone to build one for me. Tell me if you are interested

 

i can build one of two designs for you. a small one that will hold up to 10 spawners or one that could hold up to either 36 or 40 cant remember. i can show you the second larger one at my island. the small one can be built cheaply with just with 2 stacks of stone or other material 10 pistons 6 repeaters 4 redstone 10 stone pressure plates 10 grass blocks.
the other requires about 4 times that material list.

for both designs lava and hoppers are recommended upgrades

if you wish to see the big one you can /visit skysupply its in the NE corner at the bottom of my world. youll have to jump down