If you'd like to start mining litecoin or other scrypt based coins then here's a good device to buy from Amazon

https://www.amazon.com/FutureBit-Apollo-Algorithm-Cryptocurrencies-Litecoin/dp/B07YGP1ZGR/ref=sr_1_7?crid=20VX9UOA75AA&keywords=litecoin+miner&qid=1577617421&sprefix=litecoin%2Caps%2C238&sr=8-7

• Compact Stand-alone Pod Style Miner (4x6x4in) that mines any scrypt based algorithm coin (Litecoin, Digibyte, Verge, Einsteinium, Gulden, etc)
• 100-135+ MH/s of Scrypt performance per miner (+/- 5%)
• Industry-leading 1W/MH in ECO mode, and 1.4W/MH for TURBO (100-200 watts***)
• Controlled via local connection on a web browser. You can simply set it up via smartphone browser. No crazy driver installs, hard to use miner software or scripts needed.
• This version comes with its own Power Supply, and is ready to run out of the box with the PSU + SD Card included!

This costs about 399.99$ and it can profit too!