英语语法错误?So he had to get up early to sell door-to-door but always to be rejected again and again.请问这句英语错在哪里?能帮我改正么?

but前后应该是两个分句，而你but后的成分是一个不定式结构
So he had to get up early to sell door-to-door but always was rejected again and again.

So he had to get up early to sell door-to-door but always to be rejected again and again.
请问这句英语错在哪里？能帮我改正么？
请改为下面的句子
So he had to get up early to sell from door-to-door but always to be rejected again and again.
状语：so
主语：he
谓语：had to get up early
动词不定式作作目的状语：to sell from door-to-door
状语：but always
动词不定式作结果状语：to be rejected again and again
如果非常满意，请立即采纳，谢谢！
from door to door
英 [frɔm dɔ: tu: dɔ:] 美 [frʌm dɔr tu dɔr]
adv. 挨家挨户地；沿门挨户；挨门挨户
Braving the biting wind,she went out to beg from door to door.
她不顾寒风刺骨，出去挨门乞讨。
2. He begged from door to door.
他沿门讨饭。
3. They went from door to door to advise the residents on how to store their vegetables.
他们走门串户去指导居民如何贮藏蔬菜。
4. The shop assistants sell goods from door to door for the convenience of the masses. 售货员送货上门，便利群众。
5. The trade goes round the village selling things from door to door.
那个商人在全村挨家挨户地推销商品。
6.She sells cosmetics from door to door.
她挨家挨户地推销化妆品。
7. The young man from door to door to beg for some food.
这个年轻人挨家挨户乞求一些粮食。
8. The postman delivers mail from door to door at four every afternoon.
这位邮递员每天下午都会挨家挨户地送邮件。
9. He begged for his bread from door to door.
他沿门求乞。
10. The peddler hawked his wares from door to door.
小贩挨户叫卖货物。
11. He is going from door to door collecting electricity fees.
他正在挨家收电费。
12. She handed out the ads from door to door.
她挨家挨户的发广告。
13. The salesman from door to door to sell the products.
推销员挨家挨户推销产品。
14. A sergeant went from door to door requisitioning bullets for the men.
一名中士挨家挨户地给战士们征集弹药。
15. He went a-begging from door to door for three years.
他沿街行乞了3年。
16. He from door to door delivering the milk.
他挨家挨护送牛奶。
17. The beggar begs from door to door.
这个乞丐挨门挨户地要饭。
18. The taxi took us from door to door.
出租汽车到门口来接我们，又把我们送到去的地方的门口。
19. He sells books from door to door.
他挨家挨户上门卖书。
20. The shop assistants sell from door to door for the convenience of the masses.
上门服务，容易做成生意，故俗话说：上门的买卖好做。

.but always was rejected again and again.