Book Name:Rizq Main Tangi Kay Asbab
5. To eat near a deceased.
6. To eat in the state of Janabat (i.e. the state of impurity in which ghusl [ritual bath] becomes Fard [obligatory] upon you).
7. To eat on a bed without laying a dining-mat.
8. To delay eating after the food has been served.
9. To eat on a bed whilst sitting by the headboard yourself and keeping the food towards the direction where you spread your feet.
10. To bite off the bread (those who eat burgers etc., should also take care).
11. To use broken clay or ceramic utensil even if it is used to drink water. (Remember! It is Makruh to drink water, tea etc., from the side of a cup or utensil that is broken. Do not use such clay utensils that are cracked or have slightly scraped off clay from inside, as many harmful germs and dirt may enter your stomach through them and cause diseases).
12. To leave used utensils uncleaned. To wash hands in the same utensil used for eating.
13. To leave the utensils used for eating and drinking uncovered. (One should recite بِسۡـمِ اللّٰه and cover them; because if left uncovered, calamities descend and spoil them. Then that food causes diseases).
(Sunni Bayhishti Zaywar, pp. 595 - 601)
Following are some of the causes of poverty that Sayyiduna Burhan-ud-Deen Zarnooji رَحْمَةُ اللهِ تَعَالٰی عَلَيْه has mentioned:
14. The habit of sleeping in excess. (This also creates ignorance).
15. To sleep unclothed.
16. To urinate shamelessly. (Those who urinate without any hesitation in public on roadsides should pay heed.)
17. To be lazy in picking up dropped crumbs or bits of food from the dining-mat.
18. To burn the skins of onion and garlic.