GC or Handyman for Sill Plate Replacement???

[Remi Oguntoye]

Hey Team,
I hope everyone is doing great! I have a property in Monticello, NY that I'm planning to close on next month. There is a sill plate in the basement that is failing along one of the walls.

I have 3 questions:

1. Can Anyone provide a referral for a contractor who might be able to go over and provide an estimate in the next few days?
2. Is this job one that needs a GC, or should a handyman be able to complete this job for me?
3. Is the estimate of $90-100 per linear foot I saw online a legit estimate of the cost of this job?

Thanks in advance!
All the best,Remi