Contract Mail Hauling USPS

[LTM]

Hi,

My wife and I were with Conway Now 5yrs ago for a year and a half.

I am looking different buisness endevours, including contract mail hauling, just got my name on the bidders list.

I am seeking any info, advice, etc on topic.

Also what would be better for a 4 yr contract, averaging 50k miles a year?

A 22 foot gas burner or a diesel? I will be running in the South East US.

Thanks