Tianjin runs cheap if you know where to point yourself: free riverside bridges, a ¥5 working monastery, a national-grade museum that costs only a passport scan, and street-food lanes where ¥30 buys a full dinner. Three days here for less than one Beijing afternoon.
A 687-metre Qing-style lane of grey-brick shopfronts on the Haihe's west bank, free to enter and open roughly 09:00–21:00. Browse Niren Zhang clay figurines, Yangliuqing woodblock prints and kite stalls; haggling starts around ¥15.
Tianjin's largest working Buddhist temple, founded in 1669, charges ¥5 and hands out free incense at the gate. Monks chant in the Great Hall around midday, and the vegetarian canteen off the east courtyard serves a filling noodle bowl for about ¥12.
The rebuilt Gulou marks the crossroads of Tianjin's demolished walled city. Walking the four flanking streets costs nothing; only the tower's small museum charges ¥27. Seal-carving and secondhand-book stalls fill the north arcade until dusk.
The 1927 French-engineered steel bascule bridge still lifts for river traffic, watched free from either bank, and lights up after dark. Walk 300 metres east to the Century Clock, a bronze zodiac dial standing on the plaza outside Tianjin Railway Station.
Tianjin's flea market has sprawled over Shenyang Dao and Shandong Lu since 1985, busiest Thursday and Sunday from about 07:00. Mao badges, Cultural Revolution enamel mugs, old cameras and jade change hands at ¥10–50 after haggling; browsing is free.
A three-storey covered bazaar from 1984 with over a hundred stalls under a mock-Qing tiled roof. Steamed baozi run about ¥8 a basket at the smaller counters, erduoyan fried rice cakes ¥4 apiece, and jianbing guozi around ¥6 from the ground-floor griddles.
A 1.1 km shopping strip off Heping Lu where the browsing is free and the people-watching is better than the shops. Duck into the side lanes for ¥5 tanghulu skewers; Quanyechang, trading since 1928, keeps its original iron-railed atrium open to walk-ins.
Tianjin's late-night eating lane behind Binjiang Dao fires up around 17:00 and runs past midnight. Lamb skewers ¥3 each, stir-fried clams about ¥25 a plate, pan-fried buns ¥10 — a stuffed dinner rarely breaks ¥40 per person.
A 1.65 sq km park of three lakes and nine islands, free since 2013 and open from about 06:00 to 21:00. Retirees do tai chi and water calligraphy on the paving near the north gate; pedal boats are roughly ¥40 an hour split between two.
The 415-metre Tianta rises straight out of Tianta Lake, one of the few television towers built standing in water. The lakeside footpath costs nothing and delivers the full reflection shot; the observation deck asks ¥50 for a view the shoreline already gives you.
Free with a passport at the swan-shaped hall in Hexi, open around 09:00–16:30 and closed Mondays. Yangliuqing New Year prints, Ming jade and Song painting fill the lower floors; the concession-era history gallery upstairs explains the villas you walked past.
Tianjin's largest Catholic church, completed in 1916 in Romanesque red-and-yellow brick under three green copper domes. Entry is free outside Mass, evening services around 18:00 welcome visitors, and the domes catch the last light from Binjiang Dao's west end.