I have about 5,000 to invest, although not sure what would bring me the highest return with lowest risk, any advice on this?

I would look into a mutual fund. The investment is not insured but is spread over several stocks, etc making the risk of losing all less. The return is not as great but is definitely more secure. I've invested in Oakmark because of the low fees.

It would be prudent to allow yourself ample time to do your homework
On investing. There are numerous classic books available in the larger
Bookstores. Mutual funds are an option if you select the right fund but be
Aware thst the majority of funds underperform the indexes. Funds are
Rated at Morningstar: Stocks, Mutual Funds, and Investing

Rich