Depends on your budget. Israel - highest quality but expensive. Ukraine - good quality and fairly cheap. India - decent quality and cheap. * Obviously the above is a generalization - in each country in the world there are amazing and high quality people. I have connections in all 3 of the a...
Cost of customer acquisition will depend a lot on what type of course you're looking to sell and your target audience. No one will be able to give you a straight up answer here. If you're able to provide more details, I could give some more nuanced advice :)
You can use any theme for this purpose. and for the functionality you have to build a WP plugin that will offer the features. I build a similar plugin a year ago for one of my clients. It may cost 1K USD to build the plugin.
Very few brands will openly discuss how much they spend in advertising. This is a highly-sensitive data and a competitive advantage. You can use industry averages for cost of acquisitions, however. If you use $1 per click and/or $15 per client acquisition, for example, you can do simple math to ...