Paid and free Surveys

This is to show differences in the free and Paid membership surveys which includes ;
(a) Paid surveys are not available for all people except fpr their members only while Free membership surveys are available for every individual who have the opportunity to come across the website,
(b) Paid surveys generate lots of incomes for their members because a survey may worth $5-$20 USD where many surveys could be sent to their members but in Free membership surveys it does not involve quick cash which also take some times before requesting for the earnings.
(c) In paid surveys websites their membership site is more secure and scam free while Free surveys may cause harm into someone Account whenever payment is being made to you , the solution is to learn how to secure it yourself.
(d)Paid surveys do send your earnings whenever you request for it and even easier for someone to withdraw it. While Free surveys may not accept the Payment options that are acceptable in your country because some free surveys are only meant for US residents through this it make it difficult to withdraw from it.