Only thing you can do is work on yourself, your reputation, and go up from there. 

Additionally, how long after the sale is a seller legally responsible for nondisclosure—particularly if the undisclosed items result in issues or damage?

Guarantor agrees to be jointly and severally liable with Tenant for Tenant’s obligations arising out of the above referenced Lease Agreement, including but not limited to unpaid rent, property damage and cleaning and repair costs that exceed Tenant’s security deposit.

Set aside 1-3 days of "brain damage" time because your going to be trying to reach out, interview and sniff out the BS of attempting to build your own team, remotely, from 0.

I currently have a house under contract, and during the termite inspection, live termites were found, along with substantial damage to the sill plates in the basement.

They can help determine if you have a case for misrepresentation or fraud against the seller, especially since the omission of the basement and its condition was not disclosed.Additionally, you might want to consider hiring a structural engineer to assess the damage and provide a detailed report.

Water damage is something you won't know till you start tearing things up to see the extent.

A few extra days on market is far better than months of damage control.

Personal Liability: For claims due to Bodily Injury or Property Damage that you becomeLiable for and which is covered under the policy.

Can look up online & may just have to go through a decent amount to find someone reputable at a good price.