Your best bet is if you have a local fill station that you can drive to, it fills quicker at a higher price but you never need to rebuild or buy or jump through hoops to get a pump in your house.
This is of coarse unless you can locate an adsorbed CNG tank that also tollerates high pressure fills. Only foreign companies make them but then you can buy an antique cheap 500psi rated industrial unit for home use and when you need to drive further go to the high pressure fill at a gas station.
Most smaller cars and trucks have a fairly lengthy repayment period (aka 140,000 miles +)
Cheers
Ryan
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