Yes - you would need to take it a step further and file as an S-Corp. It can classify your earnings on capital as gains which would be a non-wage distribution. You may have to pay yourself a “reasonable” wage before taking non-wage distributions.
Generally yes, in fact I think anybody self-employed can to SEP but there exceptions or limits/rules depending on your exact situation
Generally yes it available to LLC but again there exceptions and you have to qualify
Yes - you would need to take it a step further and file as an S-Corp. It can classify your earnings on capital as gains which would be a non-wage distribution. You may have to pay yourself a “reasonable” wage before taking non-wage distributions.
Generally yes, in fact I think anybody self-employed can to SEP but there exceptions or limits/rules depending on your exact situation
Generally yes it available to LLC but again there exceptions and you have to qualify
Yes, “ordinary and necessary” as the saying goes.