sometimes system shows it as credited amount but it will update later and nothing will be shown in you balance.
Adsense pay CPM, people ignore it just because the CPM is very low compare to CPC. It is normal when you get few cents without clicks
Very normal. Many adsense publishers earn this $0.01 too all the time. It is CPM. When your traffic increase to few thousands per day. Then you will see your CPM increases.
Happens all the time. The real problem is if your daily tally is $0.01 Concentrate on getting quality traffic and building lots of sites to diversify your base. TomG.