Many store with 6x6 block or stacked wood under each jack so they don't extend as far. Even read where they left about 3 inches between the wood and the jacks, then dumped the airbags, and the jacks sit right down on the wood without extending. YMMV.
Les & Pam
2017 Phaeton 40QBH-All Electric-380 ISL
2016 Jeep JKUS with Ready Brute Elite towbar