Why the reversal cost matters more in Statesville
The historic districts are tall relative to their footprint, which is characteristic of the period: two and a half or three storeys with steep pitches above, on lots that do not leave much room to set a ladder back. A meaningful proportion of Statesville historic work is genuinely roof access rather than ladder access, and we quote that individually. The newer ring is conventional and straightforward.
That is worth reading before deciding between the two products people call leaf guard, because the harder a roof is to reach, the more expensive it is to change your mind about what is on it.
A cover that clips over your existing gutter is reversible: removal is $1.50 to $3 a foot and the gutter underneath is untouched. A one-piece system, where the hood and the gutter are a single extruded unit, is not. Taking the hood off means taking the gutter off, because they are the same object, so undoing it is a full replacement, $2 to $4 a foot to remove, then $8 to $17 a foot for a new run. On a 150-foot house that is roughly $1,500 to $3,150 to get back to a conventional gutter, before the access surcharge that Statesville height adds to both halves.
That asymmetry is essentially never mentioned at the point of sale, and it is the single most important fact about this category. So: ask any company quoting a one-piece system what removal would cost, and note whether the answer comes readily.
On the product itself, reverse-curve uses surface tension to carry water around a curved lip into a narrow slot. It works, up to a flow rate. Charlotte peaks at 7.27 inches of rain an hour over a five-minute burst, and past the point where surface tension holds, water leaves the nose in a straight line and goes over the slot entirely. Under willow oak and pine we recommend stainless micro-mesh at $10 to $18 a foot instead: finer aperture, roughly half the price, and it unclips.

What Statesville itself changes
What drops on these roofs
The historic districts have the substantial, deliberately planted street canopy of a nineteenth-century town, with large hardwoods over the roofs on most of those streets. The post-1990 ring around them is open and modern in character with a much lighter load. The gap between the two halves is one of the widest in the service area, and it shows up directly in how often each half needs clearing.
The housing in Statesville
Statesville has been a town since 1789 and holds three National Register districts (Academy Hill, mainly 1885 to 1930, South Race Street, and the Commercial district from about 1875 to 1925), with a newer subdivision ring built up since 1990. That historic stock gives Statesville the largest concentration of genuinely old eaves woodwork anywhere in this service area, and on a gutter job the woodwork is the job. Timber that has been in place for a century, repainted a dozen times and wetted at the fastening points for decades is where every quote here has to start.