Pest and mildew protection on the cheap?

Hey RIU I have used mighty wash to kill mites and garden safer fungicide for fungus, but at my local hydro shops this stuff is expensive! Small bottles run nearly $35+! And well I was wondering are there any cheap alternatives that do the job well? I have battled mites off and one along with mildew and am ready to be done with the ordeal and continuously use as a preventative

pour 1ltr hot kettle water over 3 cloves of garlic wait till cool then remove cloves and add a spoon of dish washing liquid and spray your plants good luck

How does it effect taste, can it be used in flower?

spray then wait an hour or so then spray with water iv never sprayed the buds b4 only sprayed with umph power but i dont see why not and also never spray in light always do it at lights off

Organicide at tractor supply, neem oil at lowes, 1 quart of Safer brand Insecticidal soap for $5 at home depot. search around these kinds of places