Some can even detect chemical composition and contaminates, like lead.

The heat treatment is more expensive than the chemical treatment, but it works better. 

This may sound harsh but the fact that you can't make a decision about this one matter, one that will cost you $8K or more than half your reserve funds, will likely show you in time that you're not cut out for investing.

Just use lots of bleach and chemicals that kill viruses and you will be fine.

You don't want tampons, butt wipes, cleaning chemicals, etc. entering your septic system.

Some of the city inspectors can be harsh if they find work being performed without permits.

As we walked into the first entrance my wife and I were hit with the strong smell of cigar smoke mixed with unknown chemicals.

I'm thinking the son is actually collecting money to pick up people's trash, pretending he's taking it to the nearby local dump (which is VERY inexpensive), but instead is keeping the dump fees etc.My husband and I know we could turn them in, but we don't want to go that route and even though what they have been doing is wrong, illegal, and comes with stiff fines, I would rather the situation be fixed without harsh consequences that would forever rift any relationship. 

These usually run closer to $1-$1.5k.I always recommend installing a laundry chemical dispenser at the site as well, with single-use size refills. 

However, I would advise caution and ensure your target market has a diverse business mix and supply is not over saturated and it is not located in an area that will be subject to harsh potential business restrictions on the municipal or state level currently or potentially in the future.