Permissible and impermissible items of trade

Q: 

1. Would it be halal for me to sell gold to a cash for gold place because there is a high chance they will sell this gold to a refiner, scrap gold buyer or so on and they might use this gold to make gold jewellery for men etc.? 

2. What about selling grapes to a business that sell grape related products so the grapes I sell to them can be used to make their grape juice or it can be used for their wine etc. Will the income be haram? Because I’m unsure what they will use it for.

Q: Is designing and selling colouring books halal provided that there's no animate objects and no haraam elements in it?

Q: If a shop owner purchases items with murat (animate pictures) and/or female pictures on the packaging, sells these products and advertises them, will he be sinful? 

If we should be covering these things, please can Hadhrat Mufti Saheb advise how.

Q: Is it permissible to sell products e.g., oils and salts that contain CBD?

Q: For animals used in fighting such as roosters and dogs, their price depends on their fighting ability. If a rooster/dog is an excellent fighter, it would be expensive. So is it halaal to include the price of an animal's fighting ability in the overall price of the animal? Would the amount added to the price based on the fighting ability be halaal?

Q: If you have halaal meat in the same fridge as non halaal meat in a shop. Is it against your religion or belief to buy it or can it be in the same fridge as long as it has not been opened and touched once sealed and certified halaal?

Q: Can I sell leather products like jackets, belts, shoes, bags and handbags for Muslim men and non Muslim men?

Q: I bought a TV with option of no cost emi of 3 months. After emi completion, Later I found out that it is not permissible and it involves interest as bank gives loan and charges interest and then I checked my statement and found out.

I usually buy items paying all amount but this happened first time that I had to take this option of no cost emi. From the day, I came to know I am feeling bad. Should I sell of my TV or keep it? If I sell I won't even get 50% of amount which I took. So I am in a dilema. What should I do in this case.

Q: Is it permissible for a Muslim to sell medication for erectile dysfunction in men or an enhancement drug?

Q: I work by farming insects to feed other animals such as salmon and others. Does killing those insects in order to sell them as animal feed count as bad deeds or is it permissible?