Welcome to Autopia!
I`ll go down through your items and comment, and please let me apologize in advance if I come across as overly critical or don`t word things as sensitively as I oughta.
Here is what I`m doing for the paint.
Maintenance wash-
1. fill one small bucket with ph neutral soap and water with a second empty one next to it
A bigger bucket might be better.
. 2. Rinse with low pressure pressure washer
Very good!
3. Foam cannon a small section, dip a clean wash mit into the bucket and wash the foamed section.
I`d need *FAR* more info about how you do the "wash the foamed section" before I could comment. There are just so many variables involved in "moving a wash mitt across paint to clean it".
Noting that I don`t use a Foam Cannon (but do use a foamGUN every moment my wash media touch the paint), I don`t see how I could wash marring-free doing it the way you are. BUT if you can go ages without seeing any marring during your inspections then you`re doing OK; if NOT then something`s haywire.
4. Toss the used mit into the empty bucket
I get why you`re doing that (Autopian Bill D and others do the same kind of thing) but let me ask you this:
You`re retiring it because it`s presumably contaminated, right? But did you already move that contaminated mitt across your paint? I.e., if you moved it across a foot-long area, what if it got contaminated during the first few inches? Then you`ve moved a contaminated mitt across your paint for inches, possibly marring t.
5. Repeat steps 3 and 4 for each section of the car.
How many passes does it take to get things clean? I view it as choosing between:
1) one pass, aggressive enough to get it clean with just that one, maybe so aggressive you mar the paint
2) numerous passes, EXTREMELY gentle, too gentle to clean with just one pass but so gentle that no marring is instilled.
FWIW, I wash each section numerous times and I don`t mean just two or three.
6. Rinse the car with the pressure washer
I prefer to rinse with a regular hose as I find *volume* of water to be more useful than the pressure under which it`s sprayed, but that`s just me and I can see why some prefer the opposite.
7. Dry and apply a spray wax
Again, lots of variables can factor into what "Dry" means in this context.
I too often use a Spray Wax on one of our vehicles, though I wouldn`t do that on the ones that wear a long-lasting sealant (I use a different Drying Aid on those).
8. Wash the mits and towels in the washing machine.
OK, I do that too (I don`t need to wash my mitts very often because they don`t retain any contamination with my wash regimen, but that`s just me and if yours do get soiled then by all means keep laundering them).
Every 3 months I`m applying a synthetic carunda blend wax.
I would go nuts doing that so often (although sure I used to do it all the time), preferring products that last an awfully long time.
Every 6 months I use a non ph neutral soap, apply a sealant followed by the blend wax.
Same comment; if a sealant only lasted that long I`d switch to something better. But YMMV factors in and vehicles that get used hard might need redoing more often. BUT I`d just use one LSP (Last Step Product, i.e., wax or sealant), period.
What do you more experienced people think?
I think that I could discuss Maintenance Washes until you`re sick and tired of the topic
There was zero mention of wheels, nor of the wheelwells/undercarriage/etc. and I`d sure want those areas kept spotless (yes, even on a Daily Driver/beater car..even more important on those IMO). But DON`T WORRY ABOUT WHAT I DO/THINK/RECOMMEND unless you have a reason to! Because...
The bottom line IMO is....Are *you* satisfied with your results?"
If so, then just keep doing it and "never mind" about what we think. If not...if the paint gets marred, if you`re redoing the LSP more often than you`d like, if you want to change something...then I`m sure we can come up with lots of suggestions. BUT don`t change stuff unless you really think you oughta.