The easiest way is to use online cryptocurrency exchangers. Each exchanger may have its own conditions and different rates for sale. Therefore, it is best to use the BestChange search service https://www.bestchange.com/bitcoin-to-paypal-usd.html to find the best conditions to sell bitcoin. Here you can quickly see offers from over 400 exchangers. This way saves my time searching too. And it's also convenient that there are user reviews there. This minimizes risks