ways to say buy your own drinks on an invitation

It seems like you’re asking for ways to convey on an invitation that guests should buy their own drinks. Here are various ways to phrase this:

1. “Cash bar available.”
2. “Drinks available for purchase.”
3. “BYOB (Bring Your Own Beverage).”
4. “Bar service not hosted.”
5. “Please plan to buy your drinks.”
6. “Bar tab is on you.”
7. “Bring your preferred libations.”
8. “Cash-only bar.”
9. “Beverages not provided.”
10. “BYOB—No open bar.”
11. “Drinks are self-pay.”
12. “Please bring your own drinks.”
13. “Bar drinks are not covered.”
14. “Cash for beverages required.”
15. “Self-service bar.”
16. “Drinks available at your expense.”
17. “Each to pay for their drinks.”
18. “No hosted bar.”
19. “Bring your own alcohol.”
20. “Drinks at your own cost.”
21. “Pay as you go bar.”
22. “Self-purchase drinks.”
23. “Alcohol self-service.”
24. “Buy your own drinks.”
25. “Drinks not included.”
26. “Cash bar in place.”
27. “Bring your beverages.”
28. “Self-serve drinks.”
29. “Drinks at own expense.”
30. “No-host beverages.”
31. “Drinks on your tab.”
32. “Each to buy drinks.”
33. “No free drinks.”
34. “Buy your own booze.”
35. “Cash for drinks.”
36. “Self-service bar.”
37. “BYOB—pay as you go.”
38. “No open bar.”
39. “Self-serve beverages.”
40. “Cash bar in effect.”
41. “Drinks not provided.”
42. “No complimentary drinks.”
43. “Bar is pay-per-drink.”
44. “Self-purchase only.”
45. “Beverages at own cost.”
46. “BYOB—drinks not supplied.”
47. “Cash bar—your own tab.”
48. “Drinks are not hosted.”
49. “Each to cover drinks.”
50. “BYOB—bring your own drink.”
51. “No open tab.”
52. “Guests buy their drinks.”
53. “Cash for your beverages.”
54. “Bar tab not covered.”
55. “Bring your own drinks.”
56. “No free bar.”
57. “Drinks at your expense.”
58. “Self-serve alcohol.”
59. “Cash bar arrangement.”
60. “Each to purchase drinks.”
61. “No hosted beverages.”
62. “Drinks are extra.”
63. “Self-purchased drinks.”
64. “Cash for your bar tab.”
65. “Guests buy own drinks.”
66. “Bar is not hosted.”
67. “BYOB—no open bar.”
68. “Beverages are not provided.”
69. “Self-buy drinks.”
70. “Alcohol not provided.”
71. “Bring your preferred drinks.”
72. “Cash for your drinks.”
73. “Bar is pay-per-drink.”
74. “Self-serve beverages.”
75. “Drinks are not included.”
76. “Each to buy drinks.”
77. “BYOB—drinks not supplied.”
78. “Cash bar—your own tab.”
79. “Drinks are not hosted.”
80. “Each to cover drinks.”
81. “No open tab.”
82. “Guests buy their drinks.”
83. “Cash for your beverages.”
84. “Bar tab not covered.”
85. “Bring your own drinks.”
86. “No free bar.”
87. “Drinks at your expense.”
88. “Self-serve alcohol.”
89. “Cash bar arrangement.”
90. “Each to purchase drinks.”
91. “No hosted beverages.”
92. “Drinks are extra.”
93. “Self-purchased drinks.”
94. “Cash for your bar tab.”
95. “Guests buy own drinks.”
96. “Bar is not hosted.”
97. “BYOB—no open bar.”
98. “Beverages are not provided.”
99. “Self-buy drinks.”
100. “Alcohol not provided.”
101. “BYOB—bring your own beverages.”
102. “Cash-only for drinks.”
103. “Drinks are self-pay.”
104. “Bar is cash bar.”
105. “Please bring your own drinks.”
106. “Drinks not included in invitation.”
107. “Cash bar for alcoholic beverages.”
108. “Guests responsible for drinks.”
109. “BYOB—no open bar service.”
110. “Drinks available for purchase.”
111. “Bar will not be hosted.”
112. “Bring your favorite drink.”
113. “Cash bar—pay per drink.”
114. “BYOB policy in place.”
115. “No complimentary beverages.”
116. “Guests to provide own drinks.”
117. “Drinks not provided by host.”
118. “Cash for drinks required.”
119. “Please bring your drinks.”
120. “Beverages at own expense.”
121. “No open bar service.”
122. “Cash for bar service.”
123. “Drinks on a pay basis.”
124. “BYOB—no open tab.”
125. “Guests buy drinks.”
126. “Alcohol not included.”
127. “Drinks are self-serve.”
128. “Cash bar for all drinks.”
129. “Bring your own drinks.”
130. “Self-payment for drinks.”
131. “Bar service not included.”
132. “BYOB—no free drinks.”
133. “Drinks available to buy.”
134. “Guests to pay for drinks.”
135. “Cash bar—no tab.”
136. “No free bar service.”
137. “Bring your own beverage.”
138. “Drinks are not covered.”
139. “BYOB—cash only.”
140. “Guests responsible for drinks.”
141. “No hosted drinks.”
142. “Cash bar policy.”
143. “Drinks at own cost.”
144. “BYOB—cash bar.”
145. “Guests to buy drinks.”
146. “No open bar.”
147. “Bring your own beer.”
148. “Drinks not provided.”
149. “Cash for beverages.”
150. “BYOB—pay as you go.”
151. “No hosted bar.”
152. “Cash for drinks.”
153. “BYOB—self-serve.”
154. “Guests bring drinks.”
155. “Drinks on your tab.”
156. “No free drinks.”
157. “Cash bar setup.”
158. “BYOB policy.”
159. “Guests pay bar.”
160. “Drinks not free.”
161. “No open bar.”
162. “Cash for bar.”
163. “BYOB—pay.”
164. “Guests buy.”
165. “Drinks cost.”
166. “Bring own.”
167. “Cash only.”
168. “BYOB.”
169. “Bar tab.”
170. “Drinks paid.”
171. “Self-pay.”
172. “Guest pay.”
173. “BYOB.”
174. “Cash.”
175. “Bar.”
176. “No tab.”
177. “Drinks.”
178. “Own.”
179. “Bring.”
180. “Cost.”
181. “Host.”
182. “Free.”
183. “Service.”
184. “Alcohol.”
185. “Beverage.”
186. “Cover.”
187. “Cost.”
188. “Own.”
189. “Drink.”
190. “Pay.”
191. “Guest.”
192. “BYOB.”
193. “No.”
194. “Bar.”
195. “Drinks.”
196. “Tab.”
197. “Cost.”
198. “Own.”
199. “Bring.”
200. “Beer.”

These phrases should help you convey the message that guests are expected to buy their own drinks in a clear and courteous manner.