I think the costs are fairly cheap. Need either a+b liquid nutes(h&g aqua flakes or GH micro/bloom) or dry nutes like jacks 321 or megacrop. May need some calmag if running RO/low ppm tap water, or just epsom salts if using tap water and already have a decent amount of calcium carbonate in it.. And then either run sterile with some hth poolshock or run beneficial bacteria with things like hydroguard/tribus. Thats it. Should be able to get all those for under $75 total for sure, under $50 if deals or available locally.
For growing, I've had better much better/faster growth with some form of DWC or aero over any ebb&flow/flood&drain setup.