Depending on the actual quality of the fiberglass...some are much thicker than others, some have reinforcing "webbing", and, yes, improper or inadequate support of the base, it could largely be simple ageing of the tub.

(The web address is in my signature below my posts).

Bit of a love hate relationship given it’s a poorly coded app and half the functions kick you over to the web anyway, but it has customizable checklist with photo upload and recently added inventory capability as well.

I too was intrigued by kiosks until I compared their functionality and cost to that of a web based management software with online rental capabilities. 

They may not have the slick web site and the cool app that some of the big banks do but they sure have been easy to work with...at least that has been my experience.  

Study groups and workshops are live-streamed on the web. 

It creates a whole spider web of potentially taxable events for no reason. 

They clearly stated the phone response and web chat was discontinued due to the mob reaction overwhelming their systems, which I 100% understand.

Instead of searching the web I figure it's better to post here. 

This will begin to give your business credibility on the web for your specific location and also create some backlinks to your site to help with SEO.