The purchase price is only the down payment on the real cost
A second home carries a full set of costs whether you're there or not, and a lake home carries a few extra. Beyond the mortgage, you're paying property tax through Garland County, insurance that's more complicated on the water, dock and boat-lift upkeep, possibly HOA or POA dues, utilities on a home that sits empty part of the time, and maintenance you're managing from another city. We won't quote you dollar figures — rates and assessments vary by property, lake, and year — but we can tell you exactly which drivers to price out before you buy, and to get each one in writing from the relevant office or provider. If you're hoping rental income offsets these, read the rental income guide alongside this one.
The trap with a getaway is treating it like a hotel bill you only pay when you visit. It isn't. Taxes, insurance, dues, and minimum utilities run twelve months a year, and a home used part-time still needs someone watching it — for freezes, storms, leaks, and the dock. Budget the carrying costs as if the home earns nothing, then treat any short-term rental income as upside.