Any person of the age of 18 years or older who is not otherwise incompetent may contract to purchase, acquire, take, hold, sell, transfer, assign, lease, demise, encumber, or otherwise convey any estate, right, title or interest in real estate, may take title to and accept delivery of a deed, indenture, mortgage, lease, or other instrument of conveyance to any estate, right, title or interest in real estate and may execute, acknowledge and deliver a deed, indenture, mortgage, lease, or other instrument of conveyance for any interest, estate, right or title in real estate without the interference of a guardian, trustee or the like, and such deed, indenture, mortgage, lease or other instrument of conveyance for any interest, estate, right or title in real estate shall be valid and legally effective for all intents and purposes in law or in equity and shall bind that person, that person's heirs, executors and administrators.