2) "as is where is basis" means you are buying whatever you are seeing on the date, there's no arguing otherwise, this means you are eff'd if the Vendor insist on adhering to the agreement.

I just got VP/keys to a subsale unit my husband and I bought, we noticed the toilet wall was hacked and piping were exposed.
We asked the vendor regarding this and he said he had to fix the leakage before we move in, however where the wall is hacked, the holes were left unpatched
He has verbally agreed to pay for the cost to fix
Since we actually planned to renovate the whole toilet, how can we claim for the damage?
can we invoke the relevant clauses under the SPA and charge the vendor unilaterally? Do we need a quotation to charge the vendor?
he might agree verbally, but when we made known to him the amount (checked with few contractors), he didn't respond to our message
Please advise.