Live in one and rent the other! This detached duplex in Horsham Township offers an excellent house-hacking opportunity to own a home while receiving rental income to help offset your monthly mortgage payment. Situated on 0.66 acres in the highly regarded Hatboro-Horsham School District, the property features off-street parking for four vehicles, a large, level backyard, and a convenient location on a quiet street. The first-floor unit, Apartment A, is occupied by a long-term tenant who would like to remain, providing the new owner with established rental income from day one. ($1600/month) This unit features a spacious living room, dining room, kitchen, full bathroom, two bedrooms, and interior access to the full basement. The renovated second-floor unit, Apartment B, is ready for the new owner to move in and enjoy. It features all-new windows, a large living room, eat-in kitchen, full bathroom, and two bedrooms. Recent improvements include an updated kitchen and bathroom, new flooring, recessed lighting, new interior doors, and newer appliances, including the refrigerator, dishwasher, and range. The unit also includes a newer hot water heater and in-wall air conditioner. Each apartment has separate heating, hot water, and in-unit laundry. The tenant is responsible for all utilities, including water, sewer, and trash, while the owner pays the real estate taxes and insurance. Additional property improvements include a new roof, updated exterior doors, and new Bilco basement doors. Conveniently located near Route 611, the Pennsylvania Turnpike, public transportation, supermarkets, restaurants, and everyday amenities. Move into the beautifully renovated upstairs apartment while the established first-floor tenant helps pay your mortgage. Whether you are a first-time buyer, an owner-occupant, or an investor, 343 Summer Avenue offers a smart way to combine homeownership with immediate rental income!