I'd say you will get many answers if you use the search tool, and read similar threads to this one from recent months.
But, to sum up, as far as budget blades are concerned, the general consensus seems to be you can't go wrong choosing...
...a classic design like Opinel, Douk Douk, Mercator, Higonokami, any Victorinox model, Pallares, Svord
...a budget/entry level fixed blade like Mora, Martiini, Hultafors, CRKT, Cold Steel lite series fixed blade
...a budget/chinese folder included in the "well known" chinese brands and makers, such as:
Enlan (models EL01 and 02, Bee collaborations, EM 01)
Sanrenmu (models like 7010)
Ganzo (models G620, G720, G721, G714, G719...)
HARNDS (models like Viper, Nyx)
SCHRADE (some of them)
Gerber (some of them)
RealSteel (models H6, E77)
...a budget folder from reputable brands like:
Kershaw (models Shuffle, Scallion, Nura, Lifter, Link, Skyline, Chive, Leek...)
Cold Steel (AUS-8 models like Voyagers, Recons, Code 4, Tuff Lite, American Lawman, Ak.47)
CRKT (models like Squid, Fossil, Swindle, Crawford Kasper, Ripple, Shenanigan, Foresight, M16...)
Ontario (models Utilitac I and II, RAT I and II)
KaBar (models Kharon, Dozier, Piggyback, Baconmaker, Mule)
Buck (Vantage Select, Force and Pro, Bantam, 110, CSAR...)
SOG (Aegis, Flash I and II, Sogzilla, Fielder, Salute, Trident, Twitch II)
Spyderco (byrd line like Cara Cara 2, Raven, Crow, Meadowhawk,Crossbill, and all the budget Spydies like Ambitious, Tenacious, Persistence, Resilience, Dragonfly, Tasman Salt, Delica) Chicago, Roadie...)
I am no expert but I hope to be helpful, and I'll gladly ask any questions you may have!
...any multitool in the budget range from
Gerber (MP400, MP 600, Diesel, Octane, Flik)
Leatherman (Wingman, Rebar, Squirt, Micra, Sidekick, Fuse, Rev, used Blast, Wave, ST300, Juice, etc.)
Ganzo (G202, G301, G302)
SOG (PocketPowerPliers, Paratool, used Blacktip, PowerAssist, Powerlock, Switchpliers)
Victorinox (Cadet, Tinker, Huntsman, Angler, Compact, Spartan, Classic, Executive, Camper, Explorer, etc.)