As far as wheels & calipers I use the P&S Detailing Brake Buster. Drying rotors also beneficial and I have used Hydes Rust stopper on the rotors which loosely helps eliminate some of the brake dust but it's NOT a cure all.
Always best to properly wash unfortunately. If you have PPF in those areas, then I would not be as worried about using a detail spray between washes. The Griots Speed Shine, P&S Detailing Bead Maker or Obsessed Garage Drying Aid are all very good products. Using a Gtechniq ceramic coatings...
I have had some wheels done for wife and in the Houston market they range from $200-$250 a wheel. That was utilizing direct source recommended by Porsche.
I had an in person meeting with Lotus of HOU on Saturday. They are certainly nervous and suggested being open to other builds located here in the states. I left the location thinking nobody really knows how this will play out. My confirmed order remains but basically now in holding pattern...
Just heard from Lotus of Houston. They have notified me based on what they know today a 25% tariff should be expected. Plan on call with them tomorrow to discuss. This is a moving target obviously for dealers & potential clients.
My V6 order was accepted by the factory March 6th. Deposit was placed and suspect they will stick with contract based on MSRP build at that time. That said, I also don't believe the tariffs will be permanent as the administration is wanting equalization.