Hi I am considering one day assembling a modular synth. I don't think i'll ever have that much money to put aside for it, at least not in the near future. So I made a synth that seemed to me quite simple, effective, and good value for money.

Can people please advise me on what modules I've got wrong and what could be good?

ModularGrid Rack

https://cdn.modulargrid.net/img/racks/modulargrid_477075.jpg

thank you x