Can spouse and I both cover each other with a HDHP to maximize employers HSA contributions and coverage benefits?

Can spouse and I both cover each other with a HDHP to maximize employers HSA contributions and coverage benefits? I work for a municipality, she works for different municipality, they both offer HDHP with healthy HSA contributions.

Out of pocket for premiums per year for me are:
$450 on employee only (with $1500 contributed by employer to HSA)
and
$1000/yr for employee +1 with ($3000 contributed by employer to HSA)

She has similar OOP cost annually and with identical employer sponsored HSA contribution levels.

The way I see it is that we both can pay $450 and get $1500 in HSA, with $2000/$3000 deductible/MAX OOP each if staying Employee Only. That puts us both $500 OOP away from the deductible and $1500 away from MAX OOP when considering Free HSA $.

But if we both cover each other we pay $1000 getting $3000 back each for a combined $6000 in our HSA's with albeit higher $4000/$6000 deductible/MAX OOP.

Both jobs have different Insurance Companies and mostly similar coverage with a few exceptions.

Assuming we don't need to utilize anything other than 100% covered preventative services, Covering each other would give us $6000 in "Free" HSA funds ($5000 after considering the extra 500 each we pay for each other.)

But here's where I need the guidance: Lets say we somehow use $1000 a month in healthcare and prescriptions each, and my insurance is primary, hers secondary (and vice versa) Do we get to double dip on out of pocket expenses? Meaning both insurance's won't cover anything until $4000 deductible is met due to HDHP rules.

See also  Turning 26 and Confused

Since both insurance should see we hit $4000 at the same time, then the 90/10 coverage kicks in. So now we are responsible for that 10% but that also is covered by both so does it become 90/10 from primary insurance then 90% of the remaining 10% from secondary, leaving us with 1% to cover until we reach OOP maximum?

Or would it be wiser/legal to simply pick the better coverage, assuming one is better, as the default insurance carrier for both of us, and simply spend the $6000 on that one to hit the maximum?

submitted by /u/LQP867
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