I saw this Klein torque screwdriver. It looks identical to my CDI version: https://www.cpooutlets.com/klein-tools-57032-7-piece-torque-screwdriver-set/klnn57032.html
The Klein is way overpriced at $300. Even at 15% off.
BASF also makes great concrete caulks. As for the self-leveling, don't use it on anything with a pitch or deep cracks or crevices. It will just disappear.
Sika is excellent, too. It's my go-to now.
I've used both, and (for me, anyway) the Sika is easier to tool. The BASF requires xylene for...
For car washing, I've been using this for a few years now. No complaints.
I can wash my cars and I don't have to kill myself trying to dry them before they water-spot.
https://www.portablewaterdi.com/shop/deionizers/mixed-bed-double-standard-deionizer-with-bypass?SKU=OTG2-SDDIBP