Is it ok to buy lots of domains and do a 301 redirect to your main one?

How often do you guys sale your products through Youtube videos?

I mean you can't just make a review of your own product and put it. You have to make the pitch more discretely.

I am unable to get a single sale since the last two weeks. Google is killing all the small ad campaigns and replacing these with Amazon & big brand products.

I guess I can always put my product in amazon but their commission rates will be very high? Anyone else dealing with this?

Does the Anchor Text has to be unique? In order to get real link juice out of the host page. Because from what I am seeing many links which have same or similar anchor texts are tend to rank lower in the results.

Can irrelevant links from Blogspot sites  hurt you?

What is the basic difference between Adchoices and Adsesne? I heard these two terms a lot. I know that Adsense is from Google. But when I search I see a lot of mentioning of Adchoices too. Is this the new name for Adsense or used by Adsesne for any special cases?

When I check my link profile in google webmasters tool. I see plenty of links which I don't know where they came from. I don't understand properly here. If I am not being attacked somehow then how these type of links are getting picked up by my site?

Can anybody explain it to me?!

What are the requirements of selling ads directly to the publishers? Is there any guidelines?

If you don't have enough money to start a blog then what you will do?

Looking for a cheap ESP for 2k subscribers.

Note:- I am not looking for a free one. But a reliable cheap one.