The lender is going to provide some necessary guard rails to protect you from what you do not know. 

This also protects the value of their investment. 

Is it liability protection?

The more protections the city layers in, the more this compounds. 

Zoning Ordinances are often not ‘black and white’ and municipalities will protect themselves or be persuaded by the public when making decisions. 

When they book through Airbnb, you have some protection/insurance through Airbnb to protect you if things go wrong (although I know many people have had issues when that actually happens).

Tenant Relationships and Legal Considerations Impact: Rent control laws often come with increased tenant protections and legal requirements that landlords must follow, such as eviction restrictions and rent increase caps.

I don’t feel like it offers any protection if the contractor did something wrong with the installation.

The question I have is have any of you rented out a property with a pool and if so what safeguards should I have in place to protect my myself?

If closer to the latter, the entire business plan can be at risk and it would very likely need immediate adjusting in a way that best protects investor capital.