Is this guy a lowballer?

[LFD 1249]

I'm in my first year of business. I had the oppertunity to bid a large seasonal mowing contract, 32 acres total. Mostly wide open, sports fields and common areas. This being my first year my overhead is low ( in my opinion), $15 an hr to meet costs. I bid this job at $35,000 for the year. Now with that said I got beat by a bid for $13,000. I'm a solo operation. I was going to hire a part- time guy to help with this job. Am I over bidding this much? Now I'm second guessing myself on these other bids I have prepared.

Thanks for the help.
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