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Your Franklin Rental Made $300 a Month, But Where Did It Go? You run the math before you buy. Rent minus mortgage leaves $300, you do that twelve times,...
You run the math before you buy. Rent minus mortgage leaves $300, you do that twelve times, and the spreadsheet says $3,600 a year in your pocket. Then December arrives, you look at the account, and the money is smaller than the math promised.
Nothing went wrong, exactly. The $300 was never really $300.
That gap between the headline cash flow and the money you actually keep is the most common surprise first-time Franklin investors run into. It's worth walking through where the difference lives, because once you can see it, you can plan for it instead of being surprised by it every year.
Your mortgage, taxes, and insurance hit every month, so they're easy to subtract. The costs that eat into that $300 don't show up monthly. They show up in lumps, and they show up when you're not looking at the spreadsheet.
A water heater gives out. A tenant turns over and the unit sits empty for three weeks while you repaint and re-list. The HVAC needs a service call during the first cold snap.
None of these are failures or bad luck. They're just the normal rhythm of owning a physical thing that people live in.
Spread across a year, a single $1,800 repair quietly erases six months of that $300. You didn't lose the cash flow. It got reassigned to the thing that broke.
Most owners budget for repairs. Fewer budget for empty months, and empty months are where the $300 really goes.
Say a lease ends and it takes a month to turn the unit and find the right tenant. In Franklin, with demand being what it is, that's a reasonable turnaround, not a worst case. But one vacant month on a unit renting for $1,900 isn't a $1,900 loss on paper.
Against your $300 cash flow, it's more like six months of profit gone, because you're still paying the mortgage while nothing comes in.
This is why a good number to carry in your head isn't just the rent. It's the rent times eleven, maybe eleven and a half, so a normal gap between tenants doesn't wipe out your year.
When you're sketching a deal, you tend to remember the big four: mortgage, taxes, insurance, and maybe HOA if the property has one. The smaller recurring costs get left off because each one feels too small to matter. Together, they matter a lot.
Lawn care on a single-family rental in a neighborhood like Westhaven, where the standards are high and a shaggy yard gets noticed, runs a real monthly number. Pest control, gutter cleaning, the annual HVAC service, a pressure wash before new tenants move in, the little plumbing fixes that don't rise to the level of an emergency. These are the costs of keeping a property in the condition that attracts the kind of tenant you want.
Skip them and you save money this year. You pay it back later in a shorter line of applicants and faster wear on the house.
Here's the piece that separates owners who stay comfortable from owners who get caught flat. The roof, the HVAC system, the water heater, the appliances, the flooring. All of it has a lifespan, and all of it will need replacing on your watch if you hold the property long enough.
The honest way to think about cash flow is to set a slice of that $300 aside every month for the big replacements you know are coming. A roof doesn't surprise you, really. It just arrives on a schedule you didn't write down.
If you quietly reserve even $100 a month against future capital expenses, your real cash flow was never $300. It was $200. That's not a disappointing number.
It's the accurate one, and an accurate number you can plan around beats an optimistic one that keeps catching you off guard.
A lot of where the $300 goes comes down to timing and decisions you make under pressure. A tenant calls on a Friday night about a leak, and the choice you make at 9 p.m. with no vendor on hand usually costs more than the same problem handled calmly on Monday morning by someone who already has a plumber they trust.
This is the part of investing where having the right partner earns its keep. At Redbird Real Estate, the property management side exists for exactly this, keeping vacancy short, screening tenants so turnover stays low, and catching small issues before they become the $1,800 repair that eats half your year. Good management doesn't make the costs disappear.
It keeps them from arriving all at once and all at full price.
The management fee itself is one more line on the spreadsheet, and yes, it comes out of your cash flow. What it buys is fewer vacant months, tenants who stay longer, and someone handling the Friday-night calls so you're not making $2,000 decisions on no information.
Build the number backward. Start with the rent, take out eleven months instead of twelve to account for a normal gap between tenants, then subtract the full four big costs plus the small recurring ones. Then set aside your reserve for the roof and the HVAC you'll own someday.
Whatever is left after all of that is the figure worth trusting. It'll be smaller than the headline $300, and that's the point. The owners who sleep well are the ones running the smaller, truer number, because nothing December throws at them was unexpected.
If you're weighing a Franklin rental right now and the math looks like $300 a month, it's worth sitting down and pressure-testing that figure before you sign. The deal might still be a good one. You just want to know what you're actually buying, not what the first glance promised.