Yes. Contracts do not need to be on any particular type of paper or even on paper at all. Nor do they need to be types to be enforceable. Any writing can suffice.
Question is worded a little strangely, but, yes, it sounds like it is a valid contract. The agent presented the owner's contract, and you apparently agreed to it, by signing it.
No. You can make a verbal contract if you so desire, with only the two parties. But, it's not worth the paper it's printed on. Legal contracts require three things. Offer, acceptance, and consideration. You can get it notarized or anything you want, make people watch if you so wish. But even if you scribble crap on a napkin and if it meets the minimum requirements, it's valid.
There is no requirement that an attorney sign a contract. It is a good idea to have an attorney review the agreement before signing it.
In most cases, a contract is still valid even if earnest money is not provided. Earnest money is not required for a contract to be legally binding, but it can serve as a sign of good faith from the buyer.
Yes. The law is concerned only in WHERE the work is actually being done. The author's contract signing is not "work."
Signing a contract in perpetuity means that the agreement is valid indefinitely, without an end date. The implications of this include a long-term commitment, potential loss of flexibility, and ongoing obligations that may not be favorable in the future. It is important to carefully consider the consequences before agreeing to a contract in perpetuity.
No. An unsigned Will is not valid.
only if you touch chicken can you drink a contract with three cups
valid contract
no
There is: Misrepresentation Mistake Duress Undue Influence Illegality
No. It is no longer valid.