What you do is bench press and squat! A set of barbells is quite expensive.

You can buy a barbell bar, usually 40 kg, a barbell piece, two 5 kg, two 10 kg and two 15 kg, that's enough! ! I just practice using 60 kg or 80 kg in the early stage and then gradually increase it! After a month, it can reach 100 kg, and after a month, it can try 1 20 kg, and then it can get heavier and heavier!