Permissible and impermissible items of trade

Q: A fertlizer called amino acid is prepared from the hair of humans, dog or any other animal. So we are planning to buy hair from salons and then sell to this industries who make amino acid from hair. Is it permissible?

Q: If a person earned money through selling alcohol, can he use the money e.g. for funeral costs?

Q: Is a horse breeding business allowed in Islam?

Q: Is it permissible to own a pet store in Islam?

Q: Is investing in Bitcoins halaal or haram?

Q: If a person does not drink alcohol but he sells it, will Allah Ta'ala accept his salaah?

Q: Is it permissible to do print work for alcohol companies?

Q: Is it permissible to buy and sell ladies clothes? Nowadays, the clothes are according to the latest trend and fashion in the market which is not in our control. The clothes include shirts and trousers which ladies wear nowadays. Is it halaal or haraam?

Q: Is it permissible to sell the sperm of animals in a straw to people who will use it to artificially inseminate their animals?