Litecoin and bitcoin cash has lots of similarity like low transaction fees, both are only used for payment and doesn't offer smart contract feature but litecoin is pretty old than bitcoin cash. I will rather trust LTC with my money than bitcoin cash which is basically backed by few millionaires who can easily dump all their free BCH on our buy orders.
Or you think I should invest in original Bitcoin? Is Bitcoin Core planning to solve scalability issue anytime soon?
Yeah there is plan for lightening network which will allow off chain transactions with almost zero fees.