03/26/2026
If it looks done, it’s easy to assume it was done right.
But “looks good” and “built correctly” are not the same thing.
One of the biggest misconceptions in real estate investing is that a clean, finished renovation means the job was done properly.
Here’s where things quietly go wrong:
Most issues aren’t because a contractor did bad work.
It’s because the scope of work was incomplete.
If you hire someone to remove flooring and install new flooring, they will do exactly that. Does your budget even include baseboards.
But if subfloor preparation, leveling, or reinforcement wasn’t clearly defined, it typically won’t be addressed. This is often the most labor intensive aspect.
So the job looks finished.
But the foundation it depends on was never built to support it.
And once tenants move in and start using the space daily, that’s when problems show up.
Here are 7 common ones I see regularly:
1. Flooring installed on unprepared subfloors
Looks great on day one. Under normal foot traffic, it starts to shift, separate, or squeak. It pivots and flexes on peaks and valleys underneath because the base wasn’t properly leveled or supported.
2. Cheap flooring and cantilevered stair nosing
These are high-impact areas. Lower quality materials or poor install methods fail quickly under daily use, especially on stairs where safety becomes a concern.
Stairway flooring is significantly more labor-intensive than open floor areas. If a quote is based primarily on average square footage, the install gets simplified to fit the price — and that’s where corners get cut.
Cantilevered stair nosing is quick to install, which is why it shows up in a lot of renovations. But it doesn’t hold up under real use.
If you want it to last, the stair edge needs to be properly framed and built as part of the system — not just capped at the end.
Wood-based laminate and budget flooring products also don’t tolerate moisture. It doesn’t take much: a spilled drink, mopping with too much water, over watering plant and the material swells, warps, and fails.
There’s no repairing it. It has to be replaced.
Some products are built to pass warranty, not to perform long-term under tenancy.
Stairs aren’t a finish detail — they’re a structural detail.
3. Bifold doors installed without proper framing
When the opening isn’t built correctly, bifold doors end up relying on adjustment hardware to make up the difference.
Those adjustment screws are meant for fine tuning — not to carry load or compensate for improper height.
Over time, the doors sag, bind, and start taking stress they weren’t designed for. That’s when you see panels crack, split, or fail at the joints under normal use.
You’ll often notice tenants just take the doors off completely. It’s not because they’re using them roughly — it’s because the doors keep falling out of alignment or off the track.
If the rough opening isn’t correct, the solution isn’t adjustment — it’s reframing the opening to the proper height and installing the system as designed.
Adjustment hardware is for alignment, not structure.
4. Toilets installed with incorrect fl**ge height
The toilet fl**ge should sit on top of the finished floor so the seal can compress properly.
When new flooring is installed without adjusting the fl**ge height, it often ends up too low. The toilet may feel stable at first, but the seal isn’t doing its job.
Under normal use, that leads to slight movement, a compromised seal, and slow leaks that go unnoticed.
Over time, this turns into subfloor damage, rot, and expensive repairs — all from something that looked “done” on install day.
This isn’t about how the toilet is used — it’s about how it was installed.
Toilets don’t leak because they’re used — they leak because the seal was never set up correctly.
5. Old rubber washing machine hoses not upgraded
This is one of the most overlooked items in a renovation. Everything gets updated — except the hoses.
Over time, rubber hoses dry out, weaken, and develop small cracks. They can look fine from the outside right up until they fail.
When they do, they don’t drip — they burst.
And that turns into flooding, insurance claims, and major damage in a very short amount of time.
Washing machine hoses should be upgraded to braided stainless steel. They cost more upfront, but they are far more reliable under pressure and over time.
This isn’t tenant-related. It’s a predictable failure of an aging component that was never upgraded.
This is the $25 part that causes $20,000 damage.
6. Tub and shower drains loosening over time
Fiberglass and acrylic tubs and shower bases flex. That’s normal.
What’s not normal is when the base isn’t properly supported.
Many tubs and shower bases are installed without full support underneath. Over time, that flex transfers to the drain connection.
The result is a drain that slowly loosens under normal use.
It often shows up as water damage on the ceiling below and by the time it’s visible, it’s already been leaking for a while.
I tighten loose tub and shower drains all the time, but that’s treating the symptom. The real issue is movement at the base.
This often gets blamed on tenants “splashing too much water,” but in most cases the issue is coming from underneath, not from above.
A good GC will specify a mortar bed or proper base support. Without that direction, this step often gets skipped.
Plumbers can get away with it because everything looks fine on install day, but it doesn’t hold up over time.
This isn’t a tenant issue. It’s a material and installation issue showing up under normal use and issues like this collectively raise our insurance costs.
If the base moves, the drain will fail.
7. Renovating interiors while ignoring the building envelope
I regularly see newly renovated basements get damaged because the exterior wasn’t addressed first.
Surface grading slopes toward the foundation, downspouts discharge too close to the house, or water is being directed toward the structure.
Then money gets spent finishing the basement.
Under normal conditions — rain, snow melt, seasonal changes — water finds its way in.
And now you’re not just fixing the problem, you’re tearing out a brand new renovation.
At some point, the decision was made to renovate the interior while the exterior envelope was still compromised.
That’s not a trade issue. That’s a project management mistake.
The building envelope always comes first.
If water is being directed toward the structure, no interior finish will hold up over time.
You can’t out-renovate water.
Poor renovations are like icebergs.
What you see on the surface is only a small part of the problem.
The real issues are usually hidden behind walls, under floors, and inside assemblies.
A few visible issues are often a signal of much larger ones below.
As a property manager, I don’t have the luxury of assuming everything is fine because it looks finished. I have to make decisions based on patterns, experience, and what typically fails over time.
That can sometimes look like I’m being overly cautious or expensive because I had the fortitude to do it right.
In reality, I’m working to prevent the problems you don’t see yet.
Because by the time they’re visible, they’re already costly.
This comes down to decisions.
Choosing durable products instead of cheap ones.
Hiring the right professional instead of trying to manage everything yourself.
Because trades complete tasks.
Someone has to be responsible for the outcome.
Most of the problems I see come from trying to save money in the wrong places.
Cheap materials don’t last.
Incomplete scope gets missed.
And when no one is truly responsible, problems show up later.
Once tenants move in, everything gets tested.
The goal isn’t to save money on the renovation.
It’s to build something that holds up.
