Contracts

I have signed a contract with a company called CEO SPACE for a10 day seminar . Payment was made by credit cards yesterday. I was told that I have 72 hours in which to cancel. Is that true and does the 72 hours include weekend hours?

I own property in n.y state and I have friends that come to it with all terrain vehicles that ride on the property and also they camp on the property and I am looking for form for people to sign that they can't hold me liable if they get hurt on the property.

I recently was asked to obtain some live sharks for a client who was using them for an awards show (as a display). Some of the sharks died during the holding period and the customer was not able to utilize all of the sharks they paid for. The customer wants to accept a certain dollar amount ($11,400.00) as full settlement from me rather than sue me for the $26,000.00 they believe I owe them for their losses. While I dispute the $26,000.00 figure I would like to settle this with them but want a form that will prevent them from coming after me for any more money after I pay the $11,400.00. Basically a complete release they would have to sign. There are 3 partners in their business so I would need a form to accommodate all three partners and myself of course.

What do I need to draw up a contract between two people to sell a car?

Yesterday I signed a contract for a 3 yr. membership with Direct Buy, a consumer discount buying organization, but I want to cancel. What are my options?