What equipment can/should I/we buy for training at home? | Back training with equipment

What equipment can/should I/we buy for training at home? If you want to do a training at home, you should think carefully about which purchases are really necessary and important. Especially for training at home there is usually not much space or storage space available. Therefore the desired equipment should be well chosen. In order … What equipment can/should I/we buy for training at home? | Back training with equipment