5G is a wireless solution. The Internet needs cables that connect to modems which then connects to home internet. At present it seems that 5G and home internet will probably run in tandem together. 5G will not be able to replace internet services totally in the immediate future as it has its own settling it parameters.
Wireless 5G reception might not be similar in various local geographies – urban and rural. The 5G wireless services might be costlier in the beginning for individuals. Moreover not all gadgets are yet 5G compliant, hence might not run if the fifth generation is fully encompassed.