I'd be careful of solvents and rough scour pads. 

Disposal of parts cleaner, depending on the state and solvent can also require permits. 

ACID test is important in any business to keep check on where you are at and how solvent you can be if necessary.

But if you are relying on business revenue to feed your family and stay solvent, like many of us are, all those personal dynamics are not applicable. 

If the property is non-residential you should consider a Phase I Environmental Site Assessment to provide some potential liability protection associated with past uses such as oil tanks or use of solvents, etc.

Although each state has separate rules, generally, the solvent companies of the state would come together and put the company is receivership then attempt to distribute the risks among the stable carriers. 

We used a local bank with a 90% purchase and construction commercial line of credit and private money to keep us solvent while we waited for our draws.

., painkillers (like Vicodin), stimulants (like Ritalin or Adderall), sedatives or tranquilizers (like sleeping pills or Valium), or drugs like marijuana, cocaine or crack, club drugs (like ecstasy), hallucinogens (like LSD), heroin, inhalants or solvents (like glue), or methamphetamine (like speed)]?

This is to keep you solvent in case of a market drop.6) The more diverse your investment portfolio, the higher the above percentage can be; the less diverse the smaller amount you'll be able to borrow.

It'll be a miracle if we can remain solvent between the duplex and the rugrat!