Beginner mistakes that cost me thousands — learn from my failures

Category: Getting Started

By: Ryan Tanaka

Posted: 2026-01-01T23:34:47.651Z

After 2 years and about $15K in avoidable losses, I want to share the stupidest mistakes I made as a new host. Every single one of these felt obvious in hindsight. Feel free to add your own — let's save new hosts some money and heartache.

Reply by David Okafor:

Oh man, I feel this thread in my soul. Here are my greatest hits of stupidity: No waterproof mattress protector. Guest spilled red wine on my $600 memory foam mattress. Totally ruined, can't clean memory foam. Filed AirCover claim — denied as "normal wear and tear" (HOW is red wine normal wear and tear??). $700 to replace. Happened AGAIN with coffee before I finally spent the $35 on protectors. Thirty five dollars. I'm still mad at myself. Tried to fix a running toilet myself after watching YouTube for 20 minutes. "Fixed" it, except my fix created a slow leak that went unnoticed for 3 weeks. Water damage to the subfloor and drywall. $2,200 repair bill. The plumber would've been $150. Only had one cleaner. She got sick on a Saturday morning with guests arriving at 3 PM. Had to cancel the booking, eat the Airbnb penalty, put the guest up in a hotel at my expense, and hire a last-minute cleaner at double the rate. Always have a backup cleaner. ALWAYS. Ignored a small ceiling water stain for 6 months thinking it was condensation. It was a roof leak. By the time I dealt with it: roof repair + ceiling replacement + mold remediation = $4,500. Early fix would've been $300. The lesson I learned the hard way: small problems ALWAYS become expensive problems in STR because the turnaround between guests is so fast. Budget $100-200/month per property for maintenance and deal with stuff immediately.

Reply by Anika Sharma:

Adding mine because misery loves company: Didn't check STR regulations before starting. Operated 5 months without a permit. City found my listing and hit me with $700/month in retroactive fines. $3,500 gone just like that. Bought a $40 smart lock off Amazon because the brand name ones seemed "overpriced." It failed three times in two months. Emergency locksmith each time ($80-120), plus guest credits. Finally bought a Schlage Encode for $200 and it hasn't failed once in 2 years. Buy once cry once. Had a verbal agreement with my cleaner about products to use. She used bleach on my dark hardwood floors. You can guess how that went. $400 to refinish the section. Now everything is written down with approved product lists. Trust but verify. Spent $2K on Pinterest-worthy decor for my first property. Guests destroyed about half of it in 6 months. Vintage finds, one-of-a-kind pieces... gone. Now everything is durable, replaceable, and from Target. Aesthetic still looks great, guests just can't tell (or break) the difference. And the one that still keeps me up at night: priced at $95/night for my first 3 months because that's "what I'd pay." Comps were at $135. That's roughly $3,000 I just gave away. Use PriceLabs (https://pricelabs.co) from day one, please.