That's a mortgage. Our healthcare system is bonkers.
I was on Samaritan Ministries for a couple years, started out around $500/month for the two of us, then by time we got off was $600/month and I believe now is over that. While there are improvements to be made I still think it was a great way to handle things. 10 or 11/12 months I was sending a check or paypal directly to a recipient, NOT Samaritan ministries so they do a good job of directing the funds where they need to IMO. Thankfully the proration months were all during my PT, but even then it was like 90% (they would only cover 90% of my bills that month due to sharing exceeding giving) so that is what the additional $174 you see is. They were WAY less difficult to work with than I thought and their portal made tracking sharing and submitting bills super easy.
I ended up paying $574 out of pocket for this $40k (was probably more like $50-55k but generally 20% came off for paying out of pocket) surgery a few years ago.
The downside is you do have to front some money, if you have a healthy savings/emergency fund it's a non-issue. Add on, I paid that $40k all with my CC out of pocket and paid off each month, so add the 2% travel credits I got back and I more than made up for the initial unshareable amount. They also have what some would consider "odd" requirements with church and pastor involvement. I think there are non-Christian sharing things out there now from what I've heard.
I believe now the initial unshareable amount is like $1k.
We have a HDHCP now, so the monthly premium is much cheaper, but I do know if and when we need it the deductible is going to sting a little more but overall I think still net savings but if you don't have access to an affordable plan sharing minsitries are about the best thing I know of.
Feel free to reach out if you have any questions. I was on CHM years ago but never had to use it, would guess similar though.

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