This is from the actual rules under personal disclosure PERSONAL INTEREST.No broker or affiliate broker shall, either directly or indirectly through a third party, purchase for himself or attempt to purchase or acquire any interest in or option to purchase property listed with him or with his company, or property regarding which he or his company has been approached by the owner to act as broker, without first making a full disclosure of his true position to the owner of the property or to any prospective purchaser for which he has acted for as a client or customer.

Read the fine print in the foundation repair contract: Damages to the property, interior and exterior as a result of the foundation movement are not covered, during and after works completion.

Steel is both usually unattractive, and may have your prospective tenants asking why they would need a steel door (esp if your property is in an A/B neighborhood.

If you've had 0 to a few prospects then it's likely the cost preventing more interest.

You must appeal to the tenant prospects in this area to succeed.

Market effectively, price correctly, vet prospective tenant/buyers, and you should be fine.

Also, statistically speaking, lower-income housing can have higher vacancy and higher turn costs due to damage and evictions. 

We have a cooperative occupant who will most likely not cause any damage to the property and they get certainty of outcome and cash.

Insurance will pay for the damage if it fails.

One tenant decides not to pay can eat up 2-3 months worth of lost rent, plus court costs, plus damages, plus time vacant while you make repairs.