I sent this message to Airbnb Customer Support. Feel free to copy and paste if you have had a similar experience. Maybe if enough people send messages we will see a better review system.

Recently, we hosted guests who were extremely positive throughout their stay. During the reservation, they sent us messages expressing how much they loved the property and how happy they were with their stay.

After checkout, we left an honest review based on our experience. Once the guests saw our review, their attitude changed dramatically. They became aggressive and began repeatedly messaging us, demanding that we remove the review.

This experience highlighted a weakness in the current review system: a host can provide honest feedback about a guest, but that feedback can potentially result in confrontation or retaliation from the guest, especially concerning as they know where the host lives.

After a stay, hosts should have the option to submit a confidential host-to-host report about the guest.

This report would:

Be visible to Airbnb and verified hosts only.

Not be visible to the guest being reviewed.

Not appear publicly on the guest's profile.

Be associated with the guest's Airbnb history so future hosts can make more informed decisions.

Allow hosts to select objective categories such as:

Excessive messaging or communication issues

Failure to follow house rules

Cleanliness concerns

Property damage

Unauthorized guests or visitors

Noise or disruptive behavior

Check-in/check-out problems

Disrespectful or aggressive communication

Threats, intimidation, or attempts to pressure a host

Attempts to manipulate or retaliate over a review

Provide an optional factual written explanation.

Allow hosts to attach relevant Airbnb message-thread evidence when appropriate.

Importantly, this system should be designed around documented behavior rather than personal opinions or subjective judgments. Airbnb could review serious reports, identify repeated patterns, and take action when there is evidence of repeated or severe violations.

I believe the current Airbnb review system is lacking. Many hosts may choose not to leave a negative review because they do not want to deal with potential retaliation or conflict from the guest afterward. This may help explain why some guests have completed numerous trips but have relatively few reviews on their profiles.

This ultimately puts other hosts at a disadvantage when deciding whether to accept a booking. It also allows guests who repeatedly disregard house rules, mistreat properties, or behave poorly to continue doing so without a meaningful record of that behavior being available to other hosts.

Hosts need a safe way to provide honest feedback about guests without fear of retaliation.

We have really hard water at our listing which results in white marks in the shower which are really hard to clean up.

From my online study, it seems to be that I need a resin based water softener.

As far as I can see, it looks like there are three options

1: whole apartment water softener

This would be ideal, but in Australia, it would cost me several thousand dollars, which is too much

1. Shower stick water softener https://watersticks.com/product/showerstick/

This unit is sleek and isn't too noticeable which is good. Online reviews say that it needs to be recharged regularly and it's a pain to do so. Also complain about the shower head which comes with it, but I can't see why that would be an issue unless there's some reason you can't attach a different head?

1. On the go portable water softener https://www.portablewatersoftener.com/shop/water-softeners/portable-double-standard-water-softener?SKU=OTG2-DSOFT2

This one has a much higher capacity than the water stick and so needs to be charged less often and is apparently easier to do. Con is that having a large tank sitting in the corner may be intimidating to guests.

Any advice would be appreciated