No.
Yes, however, that does not mean landlords are required to rent to you. If their policy is not to rent to minors (even emancipated minors) there's nothing illegal about that.
Rent account or landlords account
Most do.
When you rent an apartment, landlords usually ask for a security deposit equal to a month's rent. Renters can potentially cause all sorts of problems for landlords, they can damage the property that they rent, they can refuse to pay their rent, etc. This way landlords have at least some ability to penalize a tenant who causes these kinds of problems, by refusing to return the security deposit (in part or in full).
No, that is a perk that some landlords offer to entice you to rent from them.
Landlord & Tenant Law offers rent-to-buy apartments
It gives landlords an incentive to attract renters.
No, most landlords do not include utilities (heat, electricity, water) in the rent.
Many commercial landlords accept a credit card for rent payment. You need to ask yours.
They want to gain ownership of the land they live and work on and not have to pay the landlords of England ( the absentee landlords) rent.
Yes. He still owns it.
Not all do. The purpose of a letter for rent payment is basically something a landlord can require prior to renting an apartment to you. This letter basically just states that you paid your rent on time every month. It is just a method landlords use to verify your rental history.