Insurance is designed to cover large, unexpected losses. Maintenance and wear-and-tear are not covered.
If the foundation problems are not covered then it naturally follows that any resulting cracks would also not be covered.
Settlement cracks and cracks from ground shifting are not covered.
It depends on how the foundation was damaged and whether or not it was done by a covered cause or not. If a vehicle runs off the road and hits your home then it would be . covered whether or not the person had insurance. If the person did not have insurance, your homeowners policy covers damage caused by a vehicle. If the damage was caused by settling of the home and this caused the foundation to crack then no, the homeowner's insurance will not pay for this repair because it was caused by lack of properly putting in the foundation correctly or a lack of maintenance. Maintenance is never covered by your homeowner's insurance policy. Maintenance is the responsibility of the homeowner and it is never ending.
Flooding in general is typically not covered by a homeowners insurance policy. Flood coverage is a separate type of coverage. Bear in mind that not all policies offer the same coverage. It may just depend on what the cause of your foundation failure and if that cause is a covered peril. Best advice is to contact your insurance agent and ask about the foundation coverage and what perils it would be covered for
Not all insurance policies are the same. The way to find out what your policy covers is to read the policy. It will tell exactly what coverage you have.
No unless the foundation crack was caused by something like an earthquake. Normal wear and tear is not covered.
Call your agent and ask the question
It is very difficult to prove if the tenant had not informed the tenant at the time of fall. Judge will suspect that it is fraudulent insurance claim. Tenants are not covered by a homeowner insurance. However, if the homeowner has a landlord insurance, tenants are covered.
Your policy may or may not have coverage for mold related issues. This is something to check when you buy a policy as the insurance companies try to avoid having to pay for mold problems which can be very expensive. Standard home insurance policies do not cover mandatory basement remodeling, unless the basement is damaged from an event (e.g. flooding) covered by the policy
Non Owners auto insurance does not cover rental cars at all. You will need to buy insurance from the rental car company to be covered.
It really just depends on the type of policy you bought and what is the cause of the damage to the drain pipe. If it broke from freezing or another covered peril it's probably covered. Most homeowners Insurance Policies will not cover foundation damage nor pipes embedded in in or below a slab foundation unless the damage is the result of a covered peril. There are endorsements that some companies offer to provide coverage for foundation or ground movement as well.