Try these

[weecalf]

(1) He became proverbially rich from various sources(7)
(2)Strained to define decimal point (7)
(3)Recorded as hving bee n dismantled(5&4) ????? /?O?N
(4)Sporting jumper (7)????K??
(5)Prospect denied the introvert ? (7) ????O??
(6)Drink now mixed in seperate container(9)????O????
(7)Appears to understand hand writing (5)????S
(8)The one opposite appears to look right (5) F?C??

[The Builder]

1 Croesus

[Lie-in King]

1 Croesus (anag 'sources')
3 Taken down

[Lie-in King]

8 Face-r

[geo0939]

5- Outcome
8-Facer

[The Builder]

8 facer..........face+r

[kettledrum]

7. seems - see MS (manuscript)

[weecalf]

Thanks as a result of these answers I can supply other letters
(2) ??T???E
(4) C???K??
(6)S???O???R
(3) ??E???O?N

[The Builder]

4 cricket

[The Builder]

6 I'm trying to make "sundowner" work :-)

[Lie-in King]

6 Sund-own-er

[sarumite]

2. Intense

[sarumite]

3. Break Down

[Lie-in King]

2 In-tens-e

[weecalf]

up date
(3) T?E?? ?O?N
(6) S?N?O???R

[Lie-in King]

3 Taken down - no good?
6 Sund-own-er ('now' mixed in 'sunder' - separate)

[weecalf]

(5) Will have to be OUTLOOK then taken down works
(6)S?N?O?N?R
sundowner is that a drink .Again Thanks to everyone