If that's your only issue, then you should be OK. 

It might be wise to remove the listing, and relist as a brand new place now that you have a solid cleaner.Some of the comments show that the paint has issues etc.

Don't just find out how it's all licensed and check on any historical issues with it, no you want to meet with local board members, find out how they really feel about the place and what the cities wants and plans are for the place.

Your client should consult a real estate attorney to draft an agreement with the ex and ensure there are no legal or tax issues, especially since this is an investment property.

I have not every purchased property in Canada, but my wife is Canadian and I've seen some of the issues her family has had to deal with.  

Then interview them.Now, let's look at your issues:1) How did replacing a toilet result in a burst pipe and flood?

We don't have any issue getting it booked up for the season.

I keep reading about all the weird financing issues in this space so I wouldn't actually put money in until mid 2025 or later.  

Is there any issues with doing this on investment properties that people have had in the past? 

I'm looking at small multifamiles and won't have an issue with capital thankfully.I am in Arkansas and looking to stay local-ish initially.