In most cases the spouse has a right in the property, even if they are not on the deed. If there is no will, the spouse typically inherits the property.
The surviving spouse becomes the sole owner.
It passes to the decedent's heirs, the spouse of which will be one.
yes
In Texas, when a spouse dies, the surviving spouse is typically entitled to the house if it was community property or if it was left to them in the deceased spouse's will.
"Someone else" gets the property. The surviving spouse can certainly contest the will. And there may be specifics in the state that entitle the surviving spouse to a portion of the real property, or a life estate in real property. Consult an attorney licensed in the state in question.
The leases are assets of the estate. They will go with the property as the will directs or the law of intestacy will apply.
Funds are transferred to the surviving spouse
Yes. A surviving spouse is entitled to a statutory share of an intestate (without a will) estate in most jurisdictions. You can check the laws in your state at the related question link provided below.
Normally the spouse inherits the house. By law in Michigan a married couple should own the property as Tenants by the Entirety, which means that it transfers upon the death of the other spouse. Check the deed to insure that is so.
Generally, the mortgage must be paid or the lender will take possession of the property by foreclosure. You should consult with the attorney who is handling the estate.
In heaven, there is no marriage or remarrying.