In the US, property and tort law varies from state to state, but in general, for &quot;invitees&quot; (IE people you have explicitly invited to come into your property), you have a duty to not only repair and correct known dangers, but reasonably inspect, discover, and correct unknown dangers.<p>This is true even when it&#x27;s not a situation where the guy paid for a rental and you put the pictures of the swing in the listing ;-)<p>By way of an example, here&#x27;s a writeup on connecticut:<p><a href="https:&#x2F;&#x2F;www.cga.ct.gov&#x2F;2002&#x2F;rpt&#x2F;2002-R-0365.htm" rel="nofollow">https:&#x2F;&#x2F;www.cga.ct.gov&#x2F;2002&#x2F;rpt&#x2F;2002-R-0365.htm</a><p>&quot;The Connecticut Supreme Court described three types of invitees.<p>...<p>2. A business invitee is someone invited to enter or remain on land for a purpose directly or indirectly connected with business dealing with the possessor of land.<p>...<p>The possessor of land owes an invitee all the duties that he owes to a licensee and also: (1) the duty to inspect the premises and erect safeguards, if necessary, to render the premises reasonably safe and (2) he has liability for defects that would ordinarily be discoverable by a reasonable inspection and he has the duty to give a proper warning. But he is not liable to anyone for unknown latent defects, that could not be discovered by the exercise of reasonable care (Conn. Law of Torts, § 49).<p>Even if he is an invitee, the plaintiff must prove that the defendant had notice, actual or constructive, of the specific defective condition that caused the injury, and that the condition existed for a sufficient length of time to allow the possessor, in the exercise of reasonable care, an opportunity to discover it and fix it or warn of its presence (Monahan v. Montgomery, 153 Conn. 386). The possessor of land is not liable for hazards that could not have been discovered or anticipated (Conn. Law of Torts, § 49).
&quot;<p>(The usual next argument is about whether it&#x27;s reasonable, could have been discovered, etc.
These are generally jury questions)