REW is free and most likely you have a measurement mic laying around. If not give that a google and buy the one that works with REW. For the rest it's just tinkering and implementing mini dsp or sonarworks. And the secret tip to remedy a floor bounce is a subwoofer with dsp like svs 2000pro and after EQing the lowest resonance away in your room. All at the spl that you listen to music and boom you have a pro setup.