Webuser Forums: Beginner needs help

I have been asked to help build a web site for friends that run a registered charity that rescues and re-homes cats. We are on a limited budget and we are using Serif WebPlus 9 to build the site. Sorry if some of these questions are rather basic but this is all new to us.
Q1. Can anyone recommend a hosting company that might offer a good deal to a charity and where do we purchase the Domain Name from?
Q2. We are looking in to Google Adsense to hopefully help raise some funds, do we get control over how many ads are placed and where they are positioned on the page and should we allow space for the ads in the design? Any other suggestions to help raise funds?
Q3. My friends already have a PayPal account and we want to include the facility for people to donate through PayPal. Do we need to get permission from PayPal to do this? Where can we find the code to add the PayPal logo and how do we ensure any money donated goes to the right account?

Told you they were basic questions, but we would rather ask for help and get it right first time than try to sort out problems later.

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