Obedience is better than sacrifice, but our obedience to God will cost us. Once we are obedient in what God wants us to do now, then he will tell us the next step.
1 Sam 2:26, 1 Sam 8:7, 1 Sam 13:13-14, 1 Sam 15:10-11, Ps 119:105, Phil 3:13-14, 2 Cor 12:9