Should i buy a cab over semi?

-my grandfather needs a semi for his farm and he gave me a budget and told me to go find one i found several but the best price is a frieghtliner cab over are there any drawbacks to these because havent noticed them around anymore like you see the regulars are there problems with cab overs or somethingi have no experience to any of this but id say go with the newer one if you need it to be reliable it would seem better in the long run