I have no problem with breeding in a basement a bedroom is different. A business person whom fails to pay 'rent' from a business to a personal residence is placing their home at risk if the business gets sued or suffers similar calamity it is a business asset with no separation between personal and business. The same can be said for not paying a wage to your self and or partner in case of break up of personal relations the partner, if they are an employee and might be able to claim part of the profits but not the business as they are just an employee. Suggesting that you don't need to do both may come back to haunt them later. Every breeder I know pays rent for the facility and rent that is consistent with market pricing in their area. I am not saying gold is better I am just stating that costs of animals and cost of food and power is not the only costs a BUSINESS incurs. The additional costs of running a professional business must be counted it that is all, not keeping business finances and personal finances separate means disaster if one brings down the other. Smart business people can walk away from financial disaster with out massive impact on the other end either business or personal. It would suck to get sued due to a simple mistake and loose all the business snakes but it would be worse to loose your house and personal assets in the process.