lowering my accord 3 inches

hey guys, i just bought some shocks (kyb) and springs not sure the name, the springs are a 3 inch drop i bought them usued of a guy for $250 bucks.

i bought them cause they were cheap i currently have 17 inch rims. wondeering will it be so low its unpractical to drive

will i get any handling change from stock

will i be able to fit 5 people in the car

will i get stuck on speed bumps and hills because if its not practical like ill be getting stuck everywhere i wont put them in. if i have to go size ways and i can deal with scraping just need some advise on it.

after i put them in what will i need will i need an allignment or anything camber ect thanks guys